Subtract 49/70 from 15/5
1st number: 3 0/5, 2nd number: 49/70
15/5 - 49/70 is 23/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 70 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 5 × 14 = 70,
15/5 = 15 × 14/5 × 14 = 210/70 - Likewise, for the 2nd fraction, since 70 × 1 = 70,
49/70 = 49 × 1/70 × 1 = 49/70 - Subtract the two like fractions:
210/70 - 49/70 = 210 - 49/70 = 161/70 - After reducing the fraction, the answer is 23/10
- In mixed form: 23/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5-49/70 15/5-98/70 15/10-49/70 45/5-49/70 75/5-49/70 15/25-49/70 15/35-49/70