Add 5/40 and 7/12
5/40 + 7/12 is 17/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 12 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
5/40 = 5 × 3/40 × 3 = 15/120 - Likewise, for the 2nd fraction, since 12 × 10 = 120,
7/12 = 7 × 10/12 × 10 = 70/120 - Add the two like fractions:
15/120 + 70/120 = 15 + 70/120 = 85/120 - 85/120 simplified gives 17/24
- So, 5/40 + 7/12 = 17/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/40+7/12 5/40+14/12 5/80+7/12 5/40+7/24 15/40+7/12 5/40+21/12 5/40+7/36 25/40+7/12 5/40+35/12 5/40+7/60 35/40+7/12 5/40+49/12 5/40+7/84