Add 2/72 and 2/20
2/72 + 2/20 is 23/180.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 20 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
2/72 = 2 × 5/72 × 5 = 10/360 - Likewise, for the 2nd fraction, since 20 × 18 = 360,
2/20 = 2 × 18/20 × 18 = 36/360 - Add the two like fractions:
10/360 + 36/360 = 10 + 36/360 = 46/360 - 46/360 simplified gives 23/180
- So, 2/72 + 2/20 = 23/180
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/72+2/20 2/72+4/20 2/72+2/40 6/72+2/20 2/72+6/20 2/72+2/60 10/72+2/20 2/72+10/20 14/72+2/20 2/72+14/20