Subtract 90/63 from 98/20
1st number: 4 18/20, 2nd number: 1 27/63
98/20 - 90/63 is 243/70.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 20 × 63 = 1260,
98/20 = 98 × 63/20 × 63 = 6174/1260 - Likewise, for the 2nd fraction, since 63 × 20 = 1260,
90/63 = 90 × 20/63 × 20 = 1800/1260 - Subtract the two like fractions:
6174/1260 - 1800/1260 = 6174 - 1800/1260 = 4374/1260 - After reducing the fraction, the answer is 243/70
- In mixed form: 333/70
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