Subtract 15/8 from 40/36
1st number: 1 4/36, 2nd number: 1 7/8
40/36 - 15/8 is -55/72.
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,
40/36 = 40 × 2/36 × 2 = 80/72 - Likewise, for the 2nd fraction, since 8 × 9 = 72,
15/8 = 15 × 9/8 × 9 = 135/72 - Subtract the two like fractions:
80/72 - 135/72 = 80 - 135/72 = -55/72
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