Subtract 24/7 from 81/5
1st number: 16 1/5, 2nd number: 3 3/7
81/5 - 24/7 is 447/35.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 7 is 35
Next, find the equivalent fraction of both fractional numbers with denominator 35 - For the 1st fraction, since 5 × 7 = 35,
81/5 = 81 × 7/5 × 7 = 567/35 - Likewise, for the 2nd fraction, since 7 × 5 = 35,
24/7 = 24 × 5/7 × 5 = 120/35 - Subtract the two like fractions:
567/35 - 120/35 = 567 - 120/35 = 447/35 - In mixed form: 1227/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/5-48/7 81/10-24/7 81/5-24/14 81/5-72/7 81/15-24/7 81/5-24/21 81/25-24/7 81/5-24/35 81/35-24/7 81/5-24/49