Subtract 42/7 from 84/56
1st number: 1 28/56, 2nd number: 6 0/7
84/56 - 42/7 is -9/2.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 7 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 56 × 1 = 56,
84/56 = 84 × 1/56 × 1 = 84/56 - Likewise, for the 2nd fraction, since 7 × 8 = 56,
42/7 = 42 × 8/7 × 8 = 336/56 - Subtract the two like fractions:
84/56 - 336/56 = 84 - 336/56 = -252/56 - After reducing the fraction, the answer is -9/2
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