Subtract 15/8 from 56/36
1st number: 1 20/36, 2nd number: 1 7/8
56/36 - 15/8 is -23/72.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 8 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 36 × 2 = 72,
56/36 = 56 × 2/36 × 2 = 112/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
15/8 = 15 × 9/8 × 9 = 135/72 - Subtract the two like fractions:
112/72 - 135/72 = 112 - 135/72 = -23/72
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