Answers

Subtract 60/70 from 49/40

1^st number: 1 9/40, 2^nd number: 60/70

49/40 - 60/70 is 103/280.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 70 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 40 × 7 = 280,
   49/40 = 49 × 7/40 × 7 = 343/280
3. Likewise, for the 2nd fraction, since 70 × 4 = 280,
   60/70 = 60 × 4/70 × 4 = 240/280
4. Subtract the two like fractions:
   343/280 - 240/280 = 343 - 240/280 = 103/280

MathStep (Works offline)

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

Related: ⁹⁸/₄₀-⁶⁰/₇₀ ⁴⁹/₈₀-⁶⁰/₇₀

Subtract Fractions Calculator