Subtract 24/7 from 80/15
1st number: 5 5/15, 2nd number: 3 3/7
80/15 - 24/7 is 40/21.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 7 is 105
Next, find the equivalent fraction of both fractional numbers with denominator 105 - For the 1st fraction, since 15 × 7 = 105,
80/15 = 80 × 7/15 × 7 = 560/105 - Likewise, for the 2nd fraction, since 7 × 15 = 105,
24/7 = 24 × 15/7 × 15 = 360/105 - Subtract the two like fractions:
560/105 - 360/105 = 560 - 360/105 = 200/105 - After reducing the fraction, the answer is 40/21
- In mixed form: 119/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/15-48/7 80/30-24/7 80/15-24/14 80/15-72/7 80/45-24/7 80/15-24/21 80/75-24/7 80/15-24/35 80/15-24/49