Subtract 63/90 from 45/36
1st number: 1 9/36, 2nd number: 63/90
45/36 - 63/90 is 11/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
45/36 = 45 × 5/36 × 5 = 225/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
63/90 = 63 × 2/90 × 2 = 126/180 - Subtract the two like fractions:
225/180 - 126/180 = 225 - 126/180 = 99/180 - After reducing the fraction, the answer is 11/20
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