Answers

Subtract 35/45 from 84/80

1^st number: 1 4/80, 2^nd number: 35/45

84/80 - 35/45 is 49/180.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 80 and 45 is 720
   
   Next, find the equivalent fraction of both fractional numbers with denominator 720
2. For the 1st fraction, since 80 × 9 = 720,
   84/80 = 84 × 9/80 × 9 = 756/720
3. Likewise, for the 2nd fraction, since 45 × 16 = 720,
   35/45 = 35 × 16/45 × 16 = 560/720
4. Subtract the two like fractions:
   756/720 - 560/720 = 756 - 560/720 = 196/720
5. After reducing the fraction, the answer is 49/180

MathStep (Works offline)

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

Related: ⁸⁴/₈₀-⁷⁰/₄₅ ⁸⁴/₈₀-³⁵/₉₀

Subtract Fractions Calculator