Subtract 48/72 from 75/28
1st number: 2 19/28, 2nd number: 48/72
75/28 - 48/72 is 169/84.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
75/28 = 75 × 18/28 × 18 = 1350/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
48/72 = 48 × 7/72 × 7 = 336/504 - Subtract the two like fractions:
1350/504 - 336/504 = 1350 - 336/504 = 1014/504 - After reducing the fraction, the answer is 169/84
- In mixed form: 21/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 75/28-96/72 75/56-48/72 75/84-48/72