Answers

Subtract 15/84 from 70/25

1^st number: 2 20/25, 2^nd number: 15/84

70/25 - 15/84 is 367/140.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 25 and 84 is 2100
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2100
2. For the 1st fraction, since 25 × 84 = 2100,
   70/25 = 70 × 84/25 × 84 = 5880/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   15/84 = 15 × 25/84 × 25 = 375/2100
4. Subtract the two like fractions:
   5880/2100 - 375/2100 = 5880 - 375/2100 = 5505/2100
5. After reducing the fraction, the answer is 367/140
6. In mixed form: 287/140

MathStep (Works offline)

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

Related: ⁷⁰/₂₅-³⁰/₈₄ ⁷⁰/₅₀-¹⁵/₈₄ ⁷⁰/₂₅-⁴⁵/₈₄ ⁷⁰/₇₅-¹⁵/₈₄ ⁷⁰/₂₅-⁷⁵/₈₄

Subtract Fractions Calculator