Answers

Subtract 84/16 from 15/70

1^st number: 15/70, 2^nd number: 5 4/16

15/70 - 84/16 is -141/28.

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,
   15/70 = 15 × 8/70 × 8 = 120/560
3. Likewise, for the 2nd fraction, since 16 × 35 = 560,
   84/16 = 84 × 35/16 × 35 = 2940/560
4. Subtract the two like fractions:
   120/560 - 2940/560 = 120 - 2940/560 = -2820/560
5. After reducing the fraction, the answer is -141/28

MathStep (Works offline)

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

Related: ³⁰/₇₀-⁸⁴/₁₆ ¹⁵/₇₀-⁸⁴/₃₂ ⁴⁵/₇₀-⁸⁴/₁₆ ¹⁵/₇₀-⁸⁴/₄₈ ⁷⁵/₇₀-⁸⁴/₁₆ ¹⁵/₇₀-⁸⁴/₈₀

Subtract Fractions Calculator