Subtract 4/64 from 70/42
1st number: 1 28/42, 2nd number: 4/64
70/42 - 4/64 is 77/48.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 64 is 1344
Next, find the equivalent fraction of both fractional numbers with denominator 1344 - For the 1st fraction, since 42 × 32 = 1344,
70/42 = 70 × 32/42 × 32 = 2240/1344 - Likewise, for the 2nd fraction, since 64 × 21 = 1344,
4/64 = 4 × 21/64 × 21 = 84/1344 - Subtract the two like fractions:
2240/1344 - 84/1344 = 2240 - 84/1344 = 2156/1344 - After reducing the fraction, the answer is 77/48
- In mixed form: 129/48
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