Subtract 49/42 from 45/14
1st number: 3 3/14, 2nd number: 1 7/42
45/14 - 49/42 is 43/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 42 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 14 × 3 = 42,
45/14 = 45 × 3/14 × 3 = 135/42 - Likewise, for the 2nd fraction, since 42 × 1 = 42,
49/42 = 49 × 1/42 × 1 = 49/42 - Subtract the two like fractions:
135/42 - 49/42 = 135 - 49/42 = 86/42 - After reducing the fraction, the answer is 43/21
- In mixed form: 21/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/14-49/42 45/14-98/42 45/28-49/42 45/14-49/84 45/42-49/42 45/70-49/42 45/98-49/42