Add 20/15 and 24/40
1st number: 1 5/15, 2nd number: 24/40
20/15 + 24/40 is 29/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
20/15 = 20 × 8/15 × 8 = 160/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
24/40 = 24 × 3/40 × 3 = 72/120 - Add the two like fractions:
160/120 + 72/120 = 160 + 72/120 = 232/120 - 232/120 simplified gives 29/15
- So, 20/15 + 24/40 = 29/15
In mixed form: 114/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15+24/40 20/15+48/40 20/30+24/40 20/15+24/80 60/15+24/40 20/15+72/40 20/45+24/40 20/75+24/40