Add 25/72 and 42/64
25/72 + 42/64 is 289/288.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 64 is 576
Next, find the equivalent fraction of both fractional numbers with denominator 576 - For the 1st fraction, since 72 × 8 = 576,
25/72 = 25 × 8/72 × 8 = 200/576 - Likewise, for the 2nd fraction, since 64 × 9 = 576,
42/64 = 42 × 9/64 × 9 = 378/576 - Add the two like fractions:
200/576 + 378/576 = 200 + 378/576 = 578/576 - 578/576 simplified gives 289/288
- So, 25/72 + 42/64 = 289/288
In mixed form: 11/288
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