Add 25/42 and 30/64
25/42 + 30/64 is 715/672.
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,
25/42 = 25 × 32/42 × 32 = 800/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
30/64 = 30 × 21/64 × 21 = 630/1344 - Add the two like fractions:
800/1344 + 630/1344 = 800 + 630/1344 = 1430/1344 - 1430/1344 simplified gives 715/672
- So, 25/42 + 30/64 = 715/672
In mixed form: 143/672
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