Subtract 25/20 from 84/63
1st number: 1 21/63, 2nd number: 1 5/20
84/63 - 25/20 is 1/12.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 20 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 63 × 20 = 1260,
84/63 = 84 × 20/63 × 20 = 1680/1260 - Likewise, for the 2nd fraction, since 20 × 63 = 1260,
25/20 = 25 × 63/20 × 63 = 1575/1260 - Subtract the two like fractions:
1680/1260 - 1575/1260 = 1680 - 1575/1260 = 105/1260 - After reducing the fraction, the answer is 1/12
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