Subtract 21/84 from 49/45
1st number: 1 4/45, 2nd number: 21/84
49/45 - 21/84 is 151/180.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
49/45 = 49 × 28/45 × 28 = 1372/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
21/84 = 21 × 15/84 × 15 = 315/1260 - Subtract the two like fractions:
1372/1260 - 315/1260 = 1372 - 315/1260 = 1057/1260 - After reducing the fraction, the answer is 151/180
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