Add 12/16 and 10/20
12/16 + 10/20 is 5/4.
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,
12/16 = 12 × 5/16 × 5 = 60/80 - Likewise, for the 2nd fraction, since 20 × 4 = 80,
10/20 = 10 × 4/20 × 4 = 40/80 - Add the two like fractions:
60/80 + 40/80 = 60 + 40/80 = 100/80 - 100/80 simplified gives 5/4
- So, 12/16 + 10/20 = 5/4
In mixed form: 11/4
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/16+10/20 12/32+10/20 12/16+10/40 36/16+10/20 12/16+30/20 12/48+10/20 12/16+10/60 60/16+10/20 12/16+50/20 12/80+10/20 84/16+10/20 12/16+70/20