Subtract 90/48 from 20/35
1st number: 20/35, 2nd number: 1 42/48
20/35 - 90/48 is -73/56.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 35 and 48 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 35 × 48 = 1680,
20/35 = 20 × 48/35 × 48 = 960/1680 - Likewise, for the 2nd fraction, since 48 × 35 = 1680,
90/48 = 90 × 35/48 × 35 = 3150/1680 - Subtract the two like fractions:
960/1680 - 3150/1680 = 960 - 3150/1680 = -2190/1680 - After reducing the fraction, the answer is -73/56
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