Subtract 9/72 from 50/10
1st number: 5 0/10, 2nd number: 9/72
50/10 - 9/72 is 39/8.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 10 × 36 = 360,
50/10 = 50 × 36/10 × 36 = 1800/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
9/72 = 9 × 5/72 × 5 = 45/360 - Subtract the two like fractions:
1800/360 - 45/360 = 1800 - 45/360 = 1755/360 - After reducing the fraction, the answer is 39/8
- In mixed form: 47/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/10-18/72 50/20-9/72 50/10-27/72 50/30-9/72 50/10-45/72 50/10-63/72 50/70-9/72