Subtract 18/10 from 70/12
1st number: 5 10/12, 2nd number: 1 8/10
70/12 - 18/10 is 121/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 10 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
70/12 = 70 × 5/12 × 5 = 350/60 - Likewise, for the 2nd fraction, since 10 × 6 = 60,
18/10 = 18 × 6/10 × 6 = 108/60 - Subtract the two like fractions:
350/60 - 108/60 = 350 - 108/60 = 242/60 - After reducing the fraction, the answer is 121/30
- In mixed form: 41/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12-36/10 70/24-18/10 70/12-18/20 70/12-54/10 70/36-18/10 70/12-18/30 70/12-90/10 70/60-18/10 70/12-18/50 70/84-18/10 70/12-18/70