Add 40/12 and 72/24
1st number: 3 4/12, 2nd number: 3 0/24
40/12 + 72/24 is 19/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 24 is 24
Next, find the equivalent fraction of both fractional numbers with denominator 24 - For the 1st fraction, since 12 × 2 = 24,
40/12 = 40 × 2/12 × 2 = 80/24 - Likewise, for the 2nd fraction, since 24 × 1 = 24,
72/24 = 72 × 1/24 × 1 = 72/24 - Add the two like fractions:
80/24 + 72/24 = 80 + 72/24 = 152/24 - 152/24 simplified gives 19/3
- So, 40/12 + 72/24 = 19/3
In mixed form: 61/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/12+72/24 40/24+72/24 40/12+72/48 40/36+72/24 40/60+72/24 40/84+72/24