Subtract 36/24 from 42/90
1st number: 42/90, 2nd number: 1 12/24
42/90 - 36/24 is -31/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 24 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 90 × 4 = 360,
42/90 = 42 × 4/90 × 4 = 168/360 - Likewise, for the 2nd fraction, since 24 × 15 = 360,
36/24 = 36 × 15/24 × 15 = 540/360 - Subtract the two like fractions:
168/360 - 540/360 = 168 - 540/360 = -372/360 - After reducing the fraction, the answer is -31/30
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