Subtract 40/60 from 9/7
1st number: 1 2/7, 2nd number: 40/60
9/7 - 40/60 is 13/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 60 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 7 × 60 = 420,
9/7 = 9 × 60/7 × 60 = 540/420 - Likewise, for the 2nd fraction, since 60 × 7 = 420,
40/60 = 40 × 7/60 × 7 = 280/420 - Subtract the two like fractions:
540/420 - 280/420 = 540 - 280/420 = 260/420 - After reducing the fraction, the answer is 13/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/7-40/60 9/7-80/60 9/14-40/60 27/7-40/60 9/21-40/60 45/7-40/60 9/35-40/60 63/7-40/60 9/49-40/60