Add 7/21 and 30/64
7/21 + 30/64 is 77/96.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 21 × 64 = 1344,
7/21 = 7 × 64/21 × 64 = 448/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
30/64 = 30 × 21/64 × 21 = 630/1344 - Add the two like fractions:
448/1344 + 630/1344 = 448 + 630/1344 = 1078/1344 - 1078/1344 simplified gives 77/96
- So, 7/21 + 30/64 = 77/96
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