Subtract 15/70 from 63/3
1st number: 21 0/3, 2nd number: 15/70
63/3 - 15/70 is 291/14.
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,
63/3 = 63 × 70/3 × 70 = 4410/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
15/70 = 15 × 3/70 × 3 = 45/210 - Subtract the two like fractions:
4410/210 - 45/210 = 4410 - 45/210 = 4365/210 - After reducing the fraction, the answer is 291/14
- In mixed form: 2011/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/3-30/70 63/6-15/70 63/3-45/70 63/9-15/70 63/3-75/70 63/15-15/70 63/21-15/70