Subtract 20/49 from 42/8
1st number: 5 2/8, 2nd number: 20/49
42/8 - 20/49 is 949/196.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 49 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 8 × 49 = 392,
42/8 = 42 × 49/8 × 49 = 2058/392 - Likewise, for the 2nd fraction, since 49 × 8 = 392,
20/49 = 20 × 8/49 × 8 = 160/392 - Subtract the two like fractions:
2058/392 - 160/392 = 2058 - 160/392 = 1898/392 - After reducing the fraction, the answer is 949/196
- In mixed form: 4165/196
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/8-20/49 42/8-40/49 42/16-20/49 42/8-20/98 42/8-60/49 42/24-20/49 42/40-20/49 42/56-20/49