Add 16/15 and 20/40
1st number: 1 1/15, 2nd number: 20/40
16/15 + 20/40 is 47/30.
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,
16/15 = 16 × 8/15 × 8 = 128/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
20/40 = 20 × 3/40 × 3 = 60/120 - Add the two like fractions:
128/120 + 60/120 = 128 + 60/120 = 188/120 - 188/120 simplified gives 47/30
- So, 16/15 + 20/40 = 47/30
In mixed form: 117/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/15+20/40 16/30+20/40 16/15+20/80 48/15+20/40 16/15+60/40 16/45+20/40 80/15+20/40 16/75+20/40