Subtract 48/7 from 72/3
1st number: 24 0/3, 2nd number: 6 6/7
72/3 - 48/7 is 120/7.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 7 is 21
Next, find the equivalent fraction of both fractional numbers with denominator 21 - For the 1st fraction, since 3 × 7 = 21,
72/3 = 72 × 7/3 × 7 = 504/21 - Likewise, for the 2nd fraction, since 7 × 3 = 21,
48/7 = 48 × 3/7 × 3 = 144/21 - Subtract the two like fractions:
504/21 - 144/21 = 504 - 144/21 = 360/21 - After reducing the fraction, the answer is 120/7
- In mixed form: 171/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/3-96/7 72/6-48/7 72/3-48/14 72/9-48/7 72/3-48/21 72/15-48/7 72/3-48/35 72/21-48/7 72/3-48/49