Subtract 9/48 from 72/84
72/84 - 9/48 is 75/112.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 48 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 84 × 4 = 336,
72/84 = 72 × 4/84 × 4 = 288/336 - Likewise, for the 2nd fraction, since 48 × 7 = 336,
9/48 = 9 × 7/48 × 7 = 63/336 - Subtract the two like fractions:
288/336 - 63/336 = 288 - 63/336 = 225/336 - After reducing the fraction, the answer is 75/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/84-18/48 72/84-9/96 72/84-27/48 72/84-45/48 72/84-63/48