Add 3/7 and 21/64
3/7 + 21/64 is 339/448.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 64 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 7 × 64 = 448,
3/7 = 3 × 64/7 × 64 = 192/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
21/64 = 21 × 7/64 × 7 = 147/448 - Add the two like fractions:
192/448 + 147/448 = 192 + 147/448 = 339/448 - So, 3/7 + 21/64 = 339/448
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