Subtract 42/48 from 84/72
1st number: 1 12/72, 2nd number: 42/48
84/72 - 42/48 is 7/24.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 48 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 72 × 2 = 144,
84/72 = 84 × 2/72 × 2 = 168/144 - Likewise, for the 2nd fraction, since 48 × 3 = 144,
42/48 = 42 × 3/48 × 3 = 126/144 - Subtract the two like fractions:
168/144 - 126/144 = 168 - 126/144 = 42/144 - After reducing the fraction, the answer is 7/24
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