Subtract 98/20 from 84/15
1st number: 5 9/15, 2nd number: 4 18/20
84/15 - 98/20 is 7/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
84/15 = 84 × 4/15 × 4 = 336/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
98/20 = 98 × 3/20 × 3 = 294/60 - Subtract the two like fractions:
336/60 - 294/60 = 336 - 294/60 = 42/60 - After reducing the fraction, the answer is 7/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30-98/20 84/15-98/40 84/45-98/20 84/15-98/60 84/75-98/20