Subtract 5/14 from 72/42
1st number: 1 30/42, 2nd number: 5/14
72/42 - 5/14 is 19/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 14 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
72/42 = 72 × 1/42 × 1 = 72/42 - Likewise, for the 2nd fraction, since 14 × 3 = 42,
5/14 = 5 × 3/14 × 3 = 15/42 - Subtract the two like fractions:
72/42 - 15/42 = 72 - 15/42 = 57/42 - After reducing the fraction, the answer is 19/14
- In mixed form: 15/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/42-10/14 72/84-5/14 72/42-5/28 72/42-15/14 72/42-5/42 72/42-25/14 72/42-5/70 72/42-35/14 72/42-5/98