Answers

Subtract 27/49 from 90/40

1^st number: 2 10/40, 2^nd number: 27/49

90/40 - 27/49 is 333/196.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 49 is 1960
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1960
2. For the 1st fraction, since 40 × 49 = 1960,
   90/40 = 90 × 49/40 × 49 = 4410/1960
3. Likewise, for the 2nd fraction, since 49 × 40 = 1960,
   27/49 = 27 × 40/49 × 40 = 1080/1960
4. Subtract the two like fractions:
   4410/1960 - 1080/1960 = 4410 - 1080/1960 = 3330/1960
5. After reducing the fraction, the answer is 333/196
6. In mixed form: 1137/196

MathStep (Works offline)

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

Related: ⁹⁰/₄₀-⁵⁴/₄₉ ⁹⁰/₈₀-²⁷/₄₉ ⁹⁰/₄₀-²⁷/₉₈ ⁹⁰/₄₀-⁸¹/₄₉

Subtract Fractions Calculator