Subtract 20/7 from 30/64
1st number: 30/64, 2nd number: 2 6/7
30/64 - 20/7 is -535/224.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 64 and 7 is 448
Next, find the equivalent fraction of both fractional numbers with denominator 448 - For the 1st fraction, since 64 × 7 = 448,
30/64 = 30 × 7/64 × 7 = 210/448 - Likewise, for the 2nd fraction, since 7 × 64 = 448,
20/7 = 20 × 64/7 × 64 = 1280/448 - Subtract the two like fractions:
210/448 - 1280/448 = 210 - 1280/448 = -1070/448 - After reducing the fraction, the answer is -535/224
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