Add 32/12 and 45/40
1st number: 2 8/12, 2nd number: 1 5/40
32/12 + 45/40 is 91/24.
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,
45/40 = 45 × 3/40 × 3 = 135/120 - Add the two like fractions:
320/120 + 135/120 = 320 + 135/120 = 455/120 - 455/120 simplified gives 91/24
- So, 32/12 + 45/40 = 91/24
In mixed form: 319/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 64/12+45/40 32/12+90/40 32/24+45/40 32/12+45/80 96/12+45/40 32/36+45/40 32/60+45/40 32/84+45/40