Subtract 72/24 from 12/10
1st number: 1 2/10, 2nd number: 3 0/24
12/10 - 72/24 is -9/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 10 × 12 = 120,
12/10 = 12 × 12/10 × 12 = 144/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
72/24 = 72 × 5/24 × 5 = 360/120 - Subtract the two like fractions:
144/120 - 360/120 = 144 - 360/120 = -216/120 - After reducing the fraction, the answer is -9/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/10-72/24 12/20-72/24 12/10-72/48 36/10-72/24 12/30-72/24 60/10-72/24 12/50-72/24 84/10-72/24 12/70-72/24