Add 20/15 and 5/40
1st number: 1 5/15, 2nd number: 5/40
20/15 + 5/40 is 35/24.
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,
5/40 = 5 × 3/40 × 3 = 15/120 - Add the two like fractions:
160/120 + 15/120 = 160 + 15/120 = 175/120 - 175/120 simplified gives 35/24
- So, 20/15 + 5/40 = 35/24
In mixed form: 111/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/15+5/40 20/15+10/40 20/30+5/40 20/15+5/80 60/15+5/40 20/15+15/40 20/45+5/40 20/15+25/40 20/75+5/40 20/15+35/40