Subtract 10/3 from 72/70
1st number: 1 2/70, 2nd number: 3 1/3
72/70 - 10/3 is -242/105.
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,
72/70 = 72 × 3/70 × 3 = 216/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
10/3 = 10 × 70/3 × 70 = 700/210 - Subtract the two like fractions:
216/210 - 700/210 = 216 - 700/210 = -484/210 - After reducing the fraction, the answer is -242/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70-20/3 72/70-10/6 72/70-30/3 72/70-10/9 72/70-50/3 72/70-10/15 72/70-70/3 72/70-10/21