Subtract 18/72 from 63/50
1st number: 1 13/50, 2nd number: 18/72
63/50 - 18/72 is 101/100.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 50 and 72 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 50 × 36 = 1800,
63/50 = 63 × 36/50 × 36 = 2268/1800 - Likewise, for the 2nd fraction, since 72 × 25 = 1800,
18/72 = 18 × 25/72 × 25 = 450/1800 - Subtract the two like fractions:
2268/1800 - 450/1800 = 2268 - 450/1800 = 1818/1800 - After reducing the fraction, the answer is 101/100
- In mixed form: 11/100
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/50-36/72 63/50-54/72 63/50-90/72