Subtract 18/90 from 98/56
1st number: 1 42/56, 2nd number: 18/90
98/56 - 18/90 is 31/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
98/56 = 98 × 45/56 × 45 = 4410/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
18/90 = 18 × 28/90 × 28 = 504/2520 - Subtract the two like fractions:
4410/2520 - 504/2520 = 4410 - 504/2520 = 3906/2520 - After reducing the fraction, the answer is 31/20
- In mixed form: 111/20
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