Subtract 42/28 from 9/8
1st number: 1 1/8, 2nd number: 1 14/28
9/8 - 42/28 is -3/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 28 is 56
Next, find the equivalent fraction of both fractional numbers with denominator 56 - For the 1st fraction, since 8 × 7 = 56,
9/8 = 9 × 7/8 × 7 = 63/56 - Likewise, for the 2nd fraction, since 28 × 2 = 56,
42/28 = 42 × 2/28 × 2 = 84/56 - Subtract the two like fractions:
63/56 - 84/56 = 63 - 84/56 = -21/56 - After reducing the fraction, the answer is -3/8
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