Answers

Subtract 5/70 from 90/35

1^st number: 2 20/35, 2^nd number: 5/70

90/35 - 5/70 is 5/2.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 70 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 35 × 2 = 70,
   90/35 = 90 × 2/35 × 2 = 180/70
3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
   5/70 = 5 × 1/70 × 1 = 5/70
4. Subtract the two like fractions:
   180/70 - 5/70 = 180 - 5/70 = 175/70
5. After reducing the fraction, the answer is 5/2
6. In mixed form: 21/2

MathStep (Works offline)

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

Related: ⁹⁰/₃₅-¹⁰/₇₀ ⁹⁰/₇₀-⁵/₇₀ ⁹⁰/₃₅-¹⁵/₇₀ ⁹⁰/₃₅-²⁵/₇₀ ⁹⁰/₃₅-³⁵/₇₀

Subtract Fractions Calculator