Subtract 25/64 from 20/7
1st number: 2 6/7, 2nd number: 25/64
20/7 - 25/64 is 1105/448.
Steps for subtracting 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,
20/7 = 20 × 64/7 × 64 = 1280/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
25/64 = 25 × 7/64 × 7 = 175/448 - Subtract the two like fractions:
1280/448 - 175/448 = 1280 - 175/448 = 1105/448 - In mixed form: 2209/448
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