Subtract 50/3 from 63/70
1st number: 63/70, 2nd number: 16 2/3
63/70 - 50/3 is -473/30.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
63/70 = 63 × 3/70 × 3 = 189/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
50/3 = 50 × 70/3 × 70 = 3500/210 - Subtract the two like fractions:
189/210 - 3500/210 = 189 - 3500/210 = -3311/210 - After reducing the fraction, the answer is -473/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 63/70-50/6 63/70-50/9 63/70-50/15 63/70-50/21