Add 10/21 and 42/64
10/21 + 42/64 is 761/672.
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,
10/21 = 10 × 64/21 × 64 = 640/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
42/64 = 42 × 21/64 × 21 = 882/1344 - Add the two like fractions:
640/1344 + 882/1344 = 640 + 882/1344 = 1522/1344 - 1522/1344 simplified gives 761/672
- So, 10/21 + 42/64 = 761/672
In mixed form: 189/672
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