Add 2/12 and 45/40
1st number: 2/12, 2nd number: 1 5/40
2/12 + 45/40 is 31/24.
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,
2/12 = 2 × 10/12 × 10 = 20/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
45/40 = 45 × 3/40 × 3 = 135/120 - Add the two like fractions:
20/120 + 135/120 = 20 + 135/120 = 155/120 - 155/120 simplified gives 31/24
- So, 2/12 + 45/40 = 31/24
In mixed form: 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/12+45/40 2/12+90/40 2/24+45/40 2/12+45/80 6/12+45/40 2/36+45/40 10/12+45/40 2/60+45/40 14/12+45/40 2/84+45/40