Add 15/64 and 30/42
15/64 + 30/42 is 425/448.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 42 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 64 × 21 = 1344,
15/64 = 15 × 21/64 × 21 = 315/1344 - Likewise, for the 2nd fraction, since 42 × 32 = 1344,
30/42 = 30 × 32/42 × 32 = 960/1344 - Add the two like fractions:
315/1344 + 960/1344 = 315 + 960/1344 = 1275/1344 - 1275/1344 simplified gives 425/448
- So, 15/64 + 30/42 = 425/448
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