Answers

Subtract 84/80 from 12/60

1^st number: 12/60, 2^nd number: 1 4/80

12/60 - 84/80 is -17/20.

Steps for subtracting fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 60 and 80 is 240
   
   Next, find the equivalent fraction of both fractional numbers with denominator 240
2. For the 1st fraction, since 60 × 4 = 240,
   12/60 = 12 × 4/60 × 4 = 48/240
3. Likewise, for the 2nd fraction, since 80 × 3 = 240,
   84/80 = 84 × 3/80 × 3 = 252/240
4. Subtract the two like fractions:
   48/240 - 252/240 = 48 - 252/240 = -204/240
5. After reducing the fraction, the answer is -17/20

MathStep (Works offline)

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

Related: ²⁴/₆₀-⁸⁴/₈₀ ³⁶/₆₀-⁸⁴/₈₀ ⁸⁴/₆₀-⁸⁴/₈₀

Subtract Fractions Calculator