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3/8 + 3/4:
Make them fractions with the same denominator (in this case eighths):
3/4 = 6/8
Now they can be added and simplified:
3/8 + 3/4 = 3/8 + 6/8
= 9/8
= 11/8
There is a "trick" that works for adding or subtracting any two fractions:
a/b ± c/d = (ad ± cb)/bd
That is
- multiply the top number of the first fraction (a) by the bottom number of the second fraction (d) then;
- add/subtract the top number of the second fraction (c) multiplied by the bottom number of the first fraction (b) and finally;
- put the result (of step 2) as the top number over the two bottom numbers (b and d) multiplied together.
(Note that this can result in extra work when simplifying the result.)
Examples:
5/8 + 3/4 = (5x4 + 3x8)/8x4
= (20 + 24)/32
= 44/32
= 11/8
= 13/8
4/5 - 3/7 = (4x7 - 3x5)/5x7
= (28 - 15)/35
= 13/35
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What does two-fourths plus two-eigths equal?
two fourths equals one half two eighths equals one quarter one half plus one quarter is three quarters. Or, two fourths equals four eighths four eighths plus two eighths equals six eighths six eighths equals three quarters.
What is three fourths plus six eighths?
12/8 or 1 and 1/2
is three fourths smaller than five eighths?
No, three fourths is the same as six eighths which is larger than five eighths
What is five eighths plus three fourths?
one and three eights
Is three-eighths LARGER than three fourths?
no three fourths is more close to a whole. and three eighths is less to a whole than three fourths.so the answer is NO, three eights is not larger than three fourths.
