Add 32/12 and 81/40
1st number: 2 8/12, 2nd number: 2 1/40
32/12 + 81/40 is 563/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
32/12 = 32 × 10/12 × 10 = 320/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
81/40 = 81 × 3/40 × 3 = 243/120 - Add the two like fractions:
320/120 + 243/120 = 320 + 243/120 = 563/120 - So, 32/12 + 81/40 = 563/120
In mixed form: 483/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/12+81/40 32/24+81/40 32/12+81/80 96/12+81/40 32/36+81/40 32/60+81/40 32/84+81/40