Add 5/12 and 3/40
5/12 + 3/40 is 59/120.
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,
5/12 = 5 × 10/12 × 10 = 50/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
3/40 = 3 × 3/40 × 3 = 9/120 - Add the two like fractions:
50/120 + 9/120 = 50 + 9/120 = 59/120 - So, 5/12 + 3/40 = 59/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/12+3/40 5/12+6/40 5/24+3/40 5/12+3/80 15/12+3/40 5/12+9/40 5/36+3/40 25/12+3/40 5/12+15/40 5/60+3/40 35/12+3/40 5/12+21/40 5/84+3/40