Subtract 18/4 from 98/15
1st number: 6 8/15, 2nd number: 4 2/4
98/15 - 18/4 is 61/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
98/15 = 98 × 4/15 × 4 = 392/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
18/4 = 18 × 15/4 × 15 = 270/60 - Subtract the two like fractions:
392/60 - 270/60 = 392 - 270/60 = 122/60 - After reducing the fraction, the answer is 61/30
- In mixed form: 21/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15-36/4 98/30-18/4 98/15-18/8 98/15-54/4 98/45-18/4 98/15-18/12 98/15-90/4 98/75-18/4 98/15-18/20 98/15-18/28