Subtract 3/20 from 49/8
1st number: 6 1/8, 2nd number: 3/20
49/8 - 3/20 is 239/40.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 20 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 20 × 2 = 40,
3/20 = 3 × 2/20 × 2 = 6/40 - Subtract the two like fractions:
245/40 - 6/40 = 245 - 6/40 = 239/40 - In mixed form: 539/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8-3/20 49/8-6/20 49/16-3/20 49/8-3/40 49/8-9/20 49/24-3/20 49/8-3/60 49/8-15/20 49/40-3/20 49/8-21/20 49/56-3/20