Add 30/16 and 40/20
1st number: 1 14/16, 2nd number: 2 0/20
30/16 + 40/20 is 31/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 20 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 16 × 5 = 80,
30/16 = 30 × 5/16 × 5 = 150/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
40/20 = 40 × 4/20 × 4 = 160/80 - Add the two like fractions:
150/80 + 160/80 = 150 + 160/80 = 310/80 - 310/80 simplified gives 31/8
- So, 30/16 + 40/20 = 31/8
In mixed form: 37/8
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/16+40/20 30/16+80/20 30/32+40/20 90/16+40/20 30/48+40/20 30/16+40/60 30/80+40/20