Subtract 9/72 from 90/6
1st number: 15 0/6, 2nd number: 9/72
90/6 - 9/72 is 119/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 6 × 12 = 72,
90/6 = 90 × 12/6 × 12 = 1080/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
9/72 = 9 × 1/72 × 1 = 9/72 - Subtract the two like fractions:
1080/72 - 9/72 = 1080 - 9/72 = 1071/72 - After reducing the fraction, the answer is 119/8
- In mixed form: 147/8
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