Answers

Subtract 9/80 from 90/35

1^st number: 2 20/35, 2^nd number: 9/80

90/35 - 9/80 is 1377/560.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 35 and 80 is 560
   
   Next, find the equivalent fraction of both fractional numbers with denominator 560
2. For the 1st fraction, since 35 × 16 = 560,
   90/35 = 90 × 16/35 × 16 = 1440/560
3. Likewise, for the 2nd fraction, since 80 × 7 = 560,
   9/80 = 9 × 7/80 × 7 = 63/560
4. Subtract the two like fractions:
   1440/560 - 63/560 = 1440 - 63/560 = 1377/560
5. In mixed form: 2257/560

MathStep (Works offline)

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

Related: ⁹⁰/₃₅-¹⁸/₈₀ ⁹⁰/₇₀-⁹/₈₀ ⁹⁰/₃₅-²⁷/₈₀ ⁹⁰/₃₅-⁴⁵/₈₀ ⁹⁰/₃₅-⁶³/₈₀

Subtract Fractions Calculator