Add 7/12 and 40/15
1st number: 7/12, 2nd number: 2 10/15
7/12 + 40/15 is 13/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 15 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
7/12 = 7 × 5/12 × 5 = 35/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
40/15 = 40 × 4/15 × 4 = 160/60 - Add the two like fractions:
35/60 + 160/60 = 35 + 160/60 = 195/60 - 195/60 simplified gives 13/4
- So, 7/12 + 40/15 = 13/4
In mixed form: 31/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/12+40/15 7/12+80/15 7/24+40/15 7/12+40/30 21/12+40/15 7/36+40/15 7/12+40/45 35/12+40/15 7/60+40/15 7/12+40/75 49/12+40/15 7/84+40/15