Subtract 8/42 from 49/15
1st number: 3 4/15, 2nd number: 8/42
49/15 - 8/42 is 323/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
49/15 = 49 × 14/15 × 14 = 686/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
8/42 = 8 × 5/42 × 5 = 40/210 - Subtract the two like fractions:
686/210 - 40/210 = 686 - 40/210 = 646/210 - After reducing the fraction, the answer is 323/105
- In mixed form: 38/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/15-8/42 49/15-16/42 49/30-8/42 49/15-8/84 49/15-24/42 49/45-8/42 49/15-40/42 49/75-8/42 49/15-56/42