Add 30/20 and 20/16
1st number: 1 10/20, 2nd number: 1 4/16
30/20 + 20/16 is 11/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 16 is 80
Next, find the equivalent fraction of both fractional numbers with denominator 80 - For the 1st fraction, since 20 × 4 = 80,
30/20 = 30 × 4/20 × 4 = 120/80 - Likewise, for the 2nd fraction, since 16 × 5 = 80,
20/16 = 20 × 5/16 × 5 = 100/80 - Add the two like fractions:
120/80 + 100/80 = 120 + 100/80 = 220/80 - 220/80 simplified gives 11/4
- So, 30/20 + 20/16 = 11/4
In mixed form: 23/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+20/16 30/20+40/16 30/40+20/16 30/20+20/32 90/20+20/16 30/20+60/16 30/60+20/16 30/20+20/48 30/20+20/80