Add 25/72 and 20/30
25/72 + 20/30 is 73/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 30 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 72 × 5 = 360,
25/72 = 25 × 5/72 × 5 = 125/360 - Likewise, for the 2nd fraction, since 30 × 12 = 360,
20/30 = 20 × 12/30 × 12 = 240/360 - Add the two like fractions:
125/360 + 240/360 = 125 + 240/360 = 365/360 - 365/360 simplified gives 73/72
- So, 25/72 + 20/30 = 73/72
In mixed form: 11/72
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/72+20/30 25/72+40/30 25/72+20/60 75/72+20/30 25/72+60/30 25/72+20/90