Subtract 70/10 from 30/25
1st number: 1 5/25, 2nd number: 7 0/10
30/25 - 70/10 is -29/5.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 25 and 10 is 50
Next, find the equivalent fraction of both fractional numbers with denominator 50 - For the 1st fraction, since 25 × 2 = 50,
30/25 = 30 × 2/25 × 2 = 60/50 - Likewise, for the 2nd fraction, since 10 × 5 = 50,
70/10 = 70 × 5/10 × 5 = 350/50 - Subtract the two like fractions:
60/50 - 350/50 = 60 - 350/50 = -290/50 - After reducing the fraction, the answer is -29/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/25-70/10 30/50-70/10 30/25-70/20 90/25-70/10 30/75-70/10 30/25-70/30 30/25-70/50