Subtract 72/8 from 9/30
1st number: 9/30, 2nd number: 9 0/8
9/30 - 72/8 is -87/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 8 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
9/30 = 9 × 4/30 × 4 = 36/120 - Likewise, for the 2nd fraction, since 8 × 15 = 120,
72/8 = 72 × 15/8 × 15 = 1080/120 - Subtract the two like fractions:
36/120 - 1080/120 = 36 - 1080/120 = -1044/120 - After reducing the fraction, the answer is -87/10
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