Subtract 20/36 from 15/8
1st number: 1 7/8, 2nd number: 20/36
15/8 - 20/36 is 95/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 36 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 8 × 9 = 72,
15/8 = 15 × 9/8 × 9 = 135/72 - Likewise, for the 2nd fraction, since 36 × 2 = 72,
20/36 = 20 × 2/36 × 2 = 40/72 - Subtract the two like fractions:
135/72 - 40/72 = 135 - 40/72 = 95/72 - In mixed form: 123/72
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