Subtract 70/42 from 48/54
1st number: 48/54, 2nd number: 1 28/42
48/54 - 70/42 is -7/9.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 42 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 54 × 7 = 378,
48/54 = 48 × 7/54 × 7 = 336/378 - Likewise, for the 2nd fraction, since 42 × 9 = 378,
70/42 = 70 × 9/42 × 9 = 630/378 - Subtract the two like fractions:
336/378 - 630/378 = 336 - 630/378 = -294/378 - After reducing the fraction, the answer is -7/9
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