Subtract 15/7 from 40/16
1st number: 2 8/16, 2nd number: 2 1/7
40/16 - 15/7 is 5/14.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 7 is 112
Next, find the equivalent fraction of both fractional numbers with denominator 112 - For the 1st fraction, since 16 × 7 = 112,
40/16 = 40 × 7/16 × 7 = 280/112 - Likewise, for the 2nd fraction, since 7 × 16 = 112,
15/7 = 15 × 16/7 × 16 = 240/112 - Subtract the two like fractions:
280/112 - 240/112 = 280 - 240/112 = 40/112 - After reducing the fraction, the answer is 5/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/16-15/7 40/16-30/7 40/32-15/7 40/16-15/14 40/16-45/7 40/48-15/7 40/16-15/21 40/16-75/7 40/80-15/7 40/16-15/35 40/16-15/49