Answers

Subtract 42/84 from 35/25

1^st number: 1 10/25, 2^nd number: 42/84

35/25 - 42/84 is 9/10.

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,
   35/25 = 35 × 84/25 × 84 = 2940/2100
3. Likewise, for the 2nd fraction, since 84 × 25 = 2100,
   42/84 = 42 × 25/84 × 25 = 1050/2100
4. Subtract the two like fractions:
   2940/2100 - 1050/2100 = 2940 - 1050/2100 = 1890/2100
5. After reducing the fraction, the answer is 9/10

MathStep (Works offline)

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

Related: ⁷⁰/₂₅-⁴²/₈₄ ³⁵/₅₀-⁴²/₈₄ ³⁵/₇₅-⁴²/₈₄

Subtract Fractions Calculator