Answers

Subtract 81/70 from 27/5

1^st number: 5 2/5, 2^nd number: 1 11/70

27/5 - 81/70 is 297/70.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 5 and 70 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 5 × 14 = 70,
   27/5 = 27 × 14/5 × 14 = 378/70
3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
   81/70 = 81 × 1/70 × 1 = 81/70
4. Subtract the two like fractions:
   378/70 - 81/70 = 378 - 81/70 = 297/70
5. In mixed form: 417/70

MathStep (Works offline)

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

Related: ⁵⁴/₅-⁸¹/₇₀ ²⁷/₁₀-⁸¹/₇₀ ⁸¹/₅-⁸¹/₇₀ ²⁷/₁₅-⁸¹/₇₀ ²⁷/₂₅-⁸¹/₇₀ ²⁷/₃₅-⁸¹/₇₀

Subtract Fractions Calculator