Add 40/12 and 16/15
1st number: 3 4/12, 2nd number: 1 1/15
40/12 + 16/15 is 22/5.
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,
40/12 = 40 × 5/12 × 5 = 200/60 - Likewise, for the 2nd fraction, since 15 × 4 = 60,
16/15 = 16 × 4/15 × 4 = 64/60 - Add the two like fractions:
200/60 + 64/60 = 200 + 64/60 = 264/60 - 264/60 simplified gives 22/5
- So, 40/12 + 16/15 = 22/5
In mixed form: 42/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+16/15 40/12+32/15 40/24+16/15 40/12+16/30 40/12+48/15 40/36+16/15 40/12+16/45 40/12+80/15 40/60+16/15 40/12+16/75 40/84+16/15