Subtract 90/35 from 81/48
1st number: 1 33/48, 2nd number: 2 20/35
81/48 - 90/35 is -99/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 48 and 35 is 1680
Next, find the equivalent fraction of both fractional numbers with denominator 1680 - For the 1st fraction, since 48 × 35 = 1680,
81/48 = 81 × 35/48 × 35 = 2835/1680 - Likewise, for the 2nd fraction, since 35 × 48 = 1680,
90/35 = 90 × 48/35 × 48 = 4320/1680 - Subtract the two like fractions:
2835/1680 - 4320/1680 = 2835 - 4320/1680 = -1485/1680 - After reducing the fraction, the answer is -99/112
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