Subtract 63/40 from 98/20
1st number: 4 18/20, 2nd number: 1 23/40
98/20 - 63/40 is 133/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 20 × 2 = 40,
98/20 = 98 × 2/20 × 2 = 196/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
63/40 = 63 × 1/40 × 1 = 63/40 - Subtract the two like fractions:
196/40 - 63/40 = 196 - 63/40 = 133/40 - In mixed form: 313/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/40-63/40 98/20-63/80 98/60-63/40