Subtract 24/30 from 81/75
1st number: 1 6/75, 2nd number: 24/30
81/75 - 24/30 is 7/25.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 30 is 150
Next, find the equivalent fraction of both fractional numbers with denominator 150 - For the 1st fraction, since 75 × 2 = 150,
81/75 = 81 × 2/75 × 2 = 162/150 - Likewise, for the 2nd fraction, since 30 × 5 = 150,
24/30 = 24 × 5/30 × 5 = 120/150 - Subtract the two like fractions:
162/150 - 120/150 = 162 - 120/150 = 42/150 - After reducing the fraction, the answer is 7/25
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/75-48/30 81/75-24/60 81/75-72/30 81/75-24/90