Subtract 15/63 from 98/42
1st number: 2 14/42, 2nd number: 15/63
98/42 - 15/63 is 44/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
98/42 = 98 × 3/42 × 3 = 294/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
15/63 = 15 × 2/63 × 2 = 30/126 - Subtract the two like fractions:
294/126 - 30/126 = 294 - 30/126 = 264/126 - After reducing the fraction, the answer is 44/21
- In mixed form: 22/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42-30/63 98/84-15/63 98/42-45/63 98/42-75/63