Subtract 21/48 from 84/72
1st number: 1 12/72, 2nd number: 21/48
84/72 - 21/48 is 35/48.
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,
21/48 = 21 × 3/48 × 3 = 63/144 - Subtract the two like fractions:
168/144 - 63/144 = 168 - 63/144 = 105/144 - After reducing the fraction, the answer is 35/48
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