Add 20/16 and 2/72
1st number: 1 4/16, 2nd number: 2/72
20/16 + 2/72 is 23/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 72 is 144
Next, find the equivalent fraction of both fractional numbers with denominator 144 - For the 1st fraction, since 16 × 9 = 144,
20/16 = 20 × 9/16 × 9 = 180/144 - Likewise, for the 2nd fraction, since 72 × 2 = 144,
2/72 = 2 × 2/72 × 2 = 4/144 - Add the two like fractions:
180/144 + 4/144 = 180 + 4/144 = 184/144 - 184/144 simplified gives 23/18
- So, 20/16 + 2/72 = 23/18
In mixed form: 15/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/16+2/72 20/16+4/72 20/32+2/72 60/16+2/72 20/16+6/72 20/48+2/72 20/16+10/72 20/80+2/72 20/16+14/72