Add 72/40 and 3/24
1st number: 1 32/40, 2nd number: 3/24
72/40 + 3/24 is 77/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 24 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
72/40 = 72 × 3/40 × 3 = 216/120 - Likewise, for the 2nd fraction, since 24 × 5 = 120,
3/24 = 3 × 5/24 × 5 = 15/120 - Add the two like fractions:
216/120 + 15/120 = 216 + 15/120 = 231/120 - 231/120 simplified gives 77/40
- So, 72/40 + 3/24 = 77/40
In mixed form: 137/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/40+6/24 72/80+3/24 72/40+3/48 72/40+9/24 72/40+3/72 72/40+15/24 72/40+21/24