Subtract 10/6 from 72/70
1st number: 1 2/70, 2nd number: 1 4/6
72/70 - 10/6 is -67/105.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 6 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 6 × 35 = 210,
10/6 = 10 × 35/6 × 35 = 350/210 - Subtract the two like fractions:
216/210 - 350/210 = 216 - 350/210 = -134/210 - After reducing the fraction, the answer is -67/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/70-20/6 72/70-10/12 72/70-30/6 72/70-10/18 72/70-50/6 72/70-10/30 72/70-70/6 72/70-10/42