Subtract 7/70 from 45/3
1st number: 15 0/3, 2nd number: 7/70
45/3 - 7/70 is 149/10.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
45/3 = 45 × 70/3 × 70 = 3150/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
7/70 = 7 × 3/70 × 3 = 21/210 - Subtract the two like fractions:
3150/210 - 21/210 = 3150 - 21/210 = 3129/210 - After reducing the fraction, the answer is 149/10
- In mixed form: 149/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/3-7/70 45/3-14/70 45/6-7/70 45/3-21/70 45/9-7/70 45/3-35/70 45/15-7/70 45/3-49/70 45/21-7/70