Subtract 63/40 from 72/50
1st number: 1 22/50, 2nd number: 1 23/40
72/50 - 63/40 is -27/200.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 40 is 200
Next, find the equivalent fraction of both fractional numbers with denominator 200 - For the 1st fraction, since 50 × 4 = 200,
72/50 = 72 × 4/50 × 4 = 288/200 - Likewise, for the 2nd fraction, since 40 × 5 = 200,
63/40 = 63 × 5/40 × 5 = 315/200 - Subtract the two like fractions:
288/200 - 315/200 = 288 - 315/200 = -27/200
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/50-63/80