Add 30/36 and 2/7
30/36 + 2/7 is 47/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 7 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Likewise, for the 2nd fraction, since 7 × 36 = 252,
2/7 = 2 × 36/7 × 36 = 72/252 - Add the two like fractions:
210/252 + 72/252 = 210 + 72/252 = 282/252 - 282/252 simplified gives 47/42
- So, 30/36 + 2/7 = 47/42
In mixed form: 15/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36+2/7 30/36+4/7 30/72+2/7 30/36+2/14 90/36+2/7 30/36+6/7 30/36+2/21 30/36+10/7 30/36+2/35 30/36+14/7 30/36+2/49