Subtract 30/72 from 81/6
1st number: 13 3/6, 2nd number: 30/72
81/6 - 30/72 is 157/12.
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,
81/6 = 81 × 12/6 × 12 = 972/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
30/72 = 30 × 1/72 × 1 = 30/72 - Subtract the two like fractions:
972/72 - 30/72 = 972 - 30/72 = 942/72 - After reducing the fraction, the answer is 157/12
- In mixed form: 131/12
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