Add 2/20 and 12/72
2/20 + 12/72 is 4/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 72 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 20 × 18 = 360,
2/20 = 2 × 18/20 × 18 = 36/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
12/72 = 12 × 5/72 × 5 = 60/360 - Add the two like fractions:
36/360 + 60/360 = 36 + 60/360 = 96/360 - 96/360 simplified gives 4/15
- So, 2/20 + 12/72 = 4/15
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/20+12/72 2/20+24/72 2/40+12/72 6/20+12/72 2/20+36/72 2/60+12/72 10/20+12/72 2/20+60/72 14/20+12/72 2/20+84/72