Answers

Subtract 49/80 from 42/9

1^st number: 4 6/9, 2^nd number: 49/80

42/9 - 49/80 is 973/240.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 9 and 80 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 9 × 80 = 720,
   42/9 = 42 × 80/9 × 80 = 3360/720
3. Likewise, for the 2nd fraction, since 80 × 9 = 720,
   49/80 = 49 × 9/80 × 9 = 441/720
4. Subtract the two like fractions:
   3360/720 - 441/720 = 3360 - 441/720 = 2919/720
5. After reducing the fraction, the answer is 973/240
6. In mixed form: 413/240

MathStep (Works offline)

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

Related: ⁸⁴/₉-⁴⁹/₈₀ ⁴²/₉-⁹⁸/₈₀ ⁴²/₁₈-⁴⁹/₈₀ ⁴²/₂₇-⁴⁹/₈₀ ⁴²/₄₅-⁴⁹/₈₀ ⁴²/₆₃-⁴⁹/₈₀

Subtract Fractions Calculator