There are an infinite number of fractions that are all equal to 21/49 .
The one in lowest terms (simplest form) is 3/7.
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Multiples 21: 1,3,7,21Multiples 49: 1,7,49
49 = 7 x 7, 21 = 7 x 3, 91 = 7 x 13. HCF is 7
Factors for 147: 1, 3, 7, 21, 49, 147 Factors for 294: 1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 294 Common Factors: 1, 3, 7, 21, 49, 147
1 3 7 21 49 147.
21 over 10 as a mixed number is 21/10