Add 24/15 and 10/20
1st number: 1 9/15, 2nd number: 10/20
24/15 + 10/20 is 21/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 20 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
24/15 = 24 × 4/15 × 4 = 96/60 - Likewise, for the 2nd fraction, since 20 × 3 = 60,
10/20 = 10 × 3/20 × 3 = 30/60 - Add the two like fractions:
96/60 + 30/60 = 96 + 30/60 = 126/60 - 126/60 simplified gives 21/10
- So, 24/15 + 10/20 = 21/10
In mixed form: 21/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/15+10/20 24/30+10/20 24/15+10/40 72/15+10/20 24/15+30/20 24/45+10/20 24/15+10/60 24/15+50/20 24/75+10/20 24/15+70/20