Subtract 28/64 from 18/7
1st number: 2 4/7, 2nd number: 28/64
18/7 - 28/64 is 239/112.
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,
18/7 = 18 × 64/7 × 64 = 1152/448 - Likewise, for the 2nd fraction, since 64 × 7 = 448,
28/64 = 28 × 7/64 × 7 = 196/448 - Subtract the two like fractions:
1152/448 - 196/448 = 1152 - 196/448 = 956/448 - After reducing the fraction, the answer is 239/112
- In mixed form: 215/112
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