Add 30/20 and 60/72
1st number: 1 10/20, 2nd number: 60/72
30/20 + 60/72 is 7/3.
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,
30/20 = 30 × 18/20 × 18 = 540/360 - Likewise, for the 2nd fraction, since 72 × 5 = 360,
60/72 = 60 × 5/72 × 5 = 300/360 - Add the two like fractions:
540/360 + 300/360 = 540 + 300/360 = 840/360 - 840/360 simplified gives 7/3
- So, 30/20 + 60/72 = 7/3
In mixed form: 21/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/20+60/72 30/40+60/72 90/20+60/72 30/60+60/72