Subtract 48/72 from 81/4
1st number: 20 1/4, 2nd number: 48/72
81/4 - 48/72 is 235/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 72 is 72
Next, find the equivalent fraction of both fractional numbers with denominator 72 - For the 1st fraction, since 4 × 18 = 72,
81/4 = 81 × 18/4 × 18 = 1458/72 - Likewise, for the 2nd fraction, since 72 × 1 = 72,
48/72 = 48 × 1/72 × 1 = 48/72 - Subtract the two like fractions:
1458/72 - 48/72 = 1458 - 48/72 = 1410/72 - After reducing the fraction, the answer is 235/12
- In mixed form: 197/12
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