Subtract 10/15 from 98/20
1st number: 4 18/20, 2nd number: 10/15
98/20 - 10/15 is 127/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
98/20 = 98 × 3/20 × 3 = 294/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
10/15 = 10 × 4/15 × 4 = 40/60 - Subtract the two like fractions:
294/60 - 40/60 = 294 - 40/60 = 254/60 - After reducing the fraction, the answer is 127/30
- In mixed form: 47/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/20-20/15 98/40-10/15 98/20-10/30 98/20-30/15 98/60-10/15 98/20-10/45 98/20-50/15 98/20-10/75 98/20-70/15