Answers

Subtract 60/18 from 84/70

1^st number: 1 14/70, 2^nd number: 3 6/18

84/70 - 60/18 is -32/15.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 18 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 70 × 9 = 630,
   84/70 = 84 × 9/70 × 9 = 756/630
3. Likewise, for the 2nd fraction, since 18 × 35 = 630,
   60/18 = 60 × 35/18 × 35 = 2100/630
4. Subtract the two like fractions:
   756/630 - 2100/630 = 756 - 2100/630 = -1344/630
5. After reducing the fraction, the answer is -32/15

MathStep (Works offline)

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

Related: ⁸⁴/₇₀-⁶⁰/₃₆ ⁸⁴/₇₀-⁶⁰/₅₄ ⁸⁴/₇₀-⁶⁰/₉₀

Subtract Fractions Calculator