Subtract 42/90 from 48/28
1st number: 1 20/28, 2nd number: 42/90
48/28 - 42/90 is 131/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 90 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 28 × 45 = 1260,
48/28 = 48 × 45/28 × 45 = 2160/1260 - Likewise, for the 2nd fraction, since 90 × 14 = 1260,
42/90 = 42 × 14/90 × 14 = 588/1260 - Subtract the two like fractions:
2160/1260 - 588/1260 = 2160 - 588/1260 = 1572/1260 - After reducing the fraction, the answer is 131/105
- In mixed form: 126/105
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