2/7 = 10/35
3/5 = 21/35
10/35 + 21/35 = 31/35
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29/35 This is because 2 fifths equals 14/35 because, plust 3/7 which equals 15/35 so 14+15 is 29
Convert them to a common denominator, which in this case is 35 (5 x 7...the two denominators multiplied), so 3/5 becomes 21/35 and 4/7 becomes 20/35, therefore three fifths is greater than four sevenths.
2 and 2/5
2/9 x 3/5 is 2/15
We can simply write 3 fifths=3/5 ,2 thirds=2/3 & 1 half=1/2 . So, we can write it in mathematicaly as below, =3/5 x 2/3 x 1/2 in upper term 3 & 2 are comman in numerator& denometer.so, they will disappear from the term . After that term will be like below. =1/5 or =0.2 which is the answer
Expressed as a mixed number in its simplest form, 4/5 + 8/10 = 1 3/5 or one and three fifths. Expressed as a decimal, this is equal to 1.6.