Subtract 84/56 from 7/90
1st number: 7/90, 2nd number: 1 28/56
7/90 - 84/56 is -64/45.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
7/90 = 7 × 28/90 × 28 = 196/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
84/56 = 84 × 45/56 × 45 = 3780/2520 - Subtract the two like fractions:
196/2520 - 3780/2520 = 196 - 3780/2520 = -3584/2520 - After reducing the fraction, the answer is -64/45
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