Subtract 10/84 from 72/4
1st number: 18 0/4, 2nd number: 10/84
72/4 - 10/84 is 751/42.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
72/4 = 72 × 21/4 × 21 = 1512/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
10/84 = 10 × 1/84 × 1 = 10/84 - Subtract the two like fractions:
1512/84 - 10/84 = 1512 - 10/84 = 1502/84 - After reducing the fraction, the answer is 751/42
- In mixed form: 1737/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/4-20/84 72/8-10/84 72/4-30/84 72/12-10/84 72/4-50/84 72/20-10/84 72/4-70/84 72/28-10/84