Subtract 18/28 from 84/63
1st number: 1 21/63, 2nd number: 18/28
84/63 - 18/28 is 29/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 63 × 4 = 252,
84/63 = 84 × 4/63 × 4 = 336/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
18/28 = 18 × 9/28 × 9 = 162/252 - Subtract the two like fractions:
336/252 - 162/252 = 336 - 162/252 = 174/252 - After reducing the fraction, the answer is 29/42
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