Subtract 25/20 from 98/30
1st number: 3 8/30, 2nd number: 1 5/20
98/30 - 25/20 is 121/60.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
98/30 = 98 × 2/30 × 2 = 196/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
25/20 = 25 × 3/20 × 3 = 75/60 - Subtract the two like fractions:
196/60 - 75/60 = 196 - 75/60 = 121/60 - In mixed form: 21/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/30-50/20 98/60-25/20 98/30-25/40 98/30-75/20 98/90-25/20 98/30-25/60