Subtract 72/36 from 9/15
1st number: 9/15, 2nd number: 2 0/36
9/15 - 72/36 is -7/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
9/15 = 9 × 12/15 × 12 = 108/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
72/36 = 72 × 5/36 × 5 = 360/180 - Subtract the two like fractions:
108/180 - 360/180 = 108 - 360/180 = -252/180 - After reducing the fraction, the answer is -7/5
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