Subtract 32/36 from 2/20
2/20 - 32/36 is -71/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 20 × 9 = 180,
2/20 = 2 × 9/20 × 9 = 18/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
32/36 = 32 × 5/36 × 5 = 160/180 - Subtract the two like fractions:
18/180 - 160/180 = 18 - 160/180 = -142/180 - After reducing the fraction, the answer is -71/90
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