Subtract 9/50 from 72/10
1st number: 7 2/10, 2nd number: 9/50
72/10 - 9/50 is 351/50.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 50 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 10 × 5 = 50,
72/10 = 72 × 5/10 × 5 = 360/50 - Likewise, for the 2nd fraction, since 50 × 1 = 50,
9/50 = 9 × 1/50 × 1 = 9/50 - Subtract the two like fractions:
360/50 - 9/50 = 360 - 9/50 = 351/50 - In mixed form: 71/50
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/10-18/50 72/20-9/50 72/10-27/50 72/30-9/50 72/10-45/50 72/50-9/50 72/10-63/50 72/70-9/50