Subtract 42/40 from 49/8
1st number: 6 1/8, 2nd number: 1 2/40
49/8 - 42/40 is 203/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 8 × 5 = 40,
49/8 = 49 × 5/8 × 5 = 245/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
42/40 = 42 × 1/40 × 1 = 42/40 - Subtract the two like fractions:
245/40 - 42/40 = 245 - 42/40 = 203/40 - In mixed form: 53/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8-42/40 49/8-84/40 49/16-42/40 49/8-42/80 49/24-42/40 49/40-42/40 49/56-42/40