Answers

Subtract 9/7 from 81/25

1^st number: 3 6/25, 2^nd number: 1 2/7

81/25 - 9/7 is 342/175.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 7 is 175
   
   Next, find the equivalent fraction of both fractional numbers with denominator 175
2. For the 1st fraction, since 25 × 7 = 175,
   81/25 = 81 × 7/25 × 7 = 567/175
3. Likewise, for the 2nd fraction, since 7 × 25 = 175,
   9/7 = 9 × 25/7 × 25 = 225/175
4. Subtract the two like fractions:
   567/175 - 225/175 = 567 - 225/175 = 342/175
5. In mixed form: 1167/175

MathStep (Works offline)

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

Related: ⁸¹/₂₅-¹⁸/₇ ⁸¹/₅₀-⁹/₇ ⁸¹/₂₅-⁹/₁₄ ⁸¹/₂₅-²⁷/₇ ⁸¹/₇₅-⁹/₇ ⁸¹/₂₅-⁹/₂₁ ⁸¹/₂₅-⁴⁵/₇ ⁸¹/₂₅-⁹/₃₅ ⁸¹/₂₅-⁶³/₇ ⁸¹/₂₅-⁹/₄₉

Subtract Fractions Calculator