Answers

Subtract 80/16 from 60/70

1^st number: 60/70, 2^nd number: 5 0/16

60/70 - 80/16 is -29/7.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 16 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 70 × 8 = 560,
   60/70 = 60 × 8/70 × 8 = 480/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   80/16 = 80 × 35/16 × 35 = 2800/560
4. Subtract the two like fractions:
   480/560 - 2800/560 = 480 - 2800/560 = -2320/560
5. After reducing the fraction, the answer is -29/7

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related: ⁶⁰/₇₀-⁸⁰/₃₂ ⁶⁰/₇₀-⁸⁰/₄₈

Subtract Fractions Calculator