Subtract 15/40 from 49/8
1st number: 6 1/8, 2nd number: 15/40
49/8 - 15/40 is 23/4.
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,
15/40 = 15 × 1/40 × 1 = 15/40 - Subtract the two like fractions:
245/40 - 15/40 = 245 - 15/40 = 230/40 - After reducing the fraction, the answer is 23/4
- In mixed form: 53/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/8-15/40 49/8-30/40 49/16-15/40 49/8-15/80 49/8-45/40 49/24-15/40 49/8-75/40 49/40-15/40 49/56-15/40