Add 40/20 and 16/30
1st number: 2 0/20, 2nd number: 16/30
40/20 + 16/30 is 38/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 20 × 3 = 60,
40/20 = 40 × 3/20 × 3 = 120/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
16/30 = 16 × 2/30 × 2 = 32/60 - Add the two like fractions:
120/60 + 32/60 = 120 + 32/60 = 152/60 - 152/60 simplified gives 38/15
- So, 40/20 + 16/30 = 38/15
In mixed form: 28/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/20+16/30 40/20+32/30 40/20+16/60 40/20+48/30 40/60+16/30 40/20+16/90 40/20+80/30