Subtract 5/21 from 98/45
1st number: 2 8/45, 2nd number: 5/21
98/45 - 5/21 is 611/315.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 21 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
98/45 = 98 × 7/45 × 7 = 686/315 - Likewise, for the 2nd fraction, since 21 × 15 = 315,
5/21 = 5 × 15/21 × 15 = 75/315 - Subtract the two like fractions:
686/315 - 75/315 = 686 - 75/315 = 611/315 - In mixed form: 1296/315
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