Subtract 28/64 from 7/5
1st number: 1 2/5, 2nd number: 28/64
7/5 - 28/64 is 77/80.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 64 is 320
Next, find the equivalent fraction of both fractional numbers with denominator 320 - For the 1st fraction, since 5 × 64 = 320,
7/5 = 7 × 64/5 × 64 = 448/320 - Likewise, for the 2nd fraction, since 64 × 5 = 320,
28/64 = 28 × 5/64 × 5 = 140/320 - Subtract the two like fractions:
448/320 - 140/320 = 448 - 140/320 = 308/320 - After reducing the fraction, the answer is 77/80
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