Subtract 12/10 from 70/40
1st number: 1 30/40, 2nd number: 1 2/10
70/40 - 12/10 is 11/20.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 10 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 40 × 1 = 40,
70/40 = 70 × 1/40 × 1 = 70/40 - Likewise, for the 2nd fraction, since 10 × 4 = 40,
12/10 = 12 × 4/10 × 4 = 48/40 - Subtract the two like fractions:
70/40 - 48/40 = 70 - 48/40 = 22/40 - After reducing the fraction, the answer is 11/20
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/40-24/10 70/80-12/10 70/40-12/20 70/40-36/10 70/40-12/30 70/40-60/10 70/40-12/50 70/40-84/10 70/40-12/70