Subtract 42/54 from 70/7
1st number: 10 0/7, 2nd number: 42/54
70/7 - 42/54 is 83/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 7 × 54 = 378,
70/7 = 70 × 54/7 × 54 = 3780/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
42/54 = 42 × 7/54 × 7 = 294/378 - Subtract the two like fractions:
3780/378 - 294/378 = 3780 - 294/378 = 3486/378 - After reducing the fraction, the answer is 83/9
- In mixed form: 92/9
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