Add 15/42 and 63/64
15/42 + 63/64 is 601/448.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 42 × 32 = 1344,
15/42 = 15 × 32/42 × 32 = 480/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
63/64 = 63 × 21/64 × 21 = 1323/1344 - Add the two like fractions:
480/1344 + 1323/1344 = 480 + 1323/1344 = 1803/1344 - 1803/1344 simplified gives 601/448
- So, 15/42 + 63/64 = 601/448
In mixed form: 1153/448
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