Add 30/36 and 45/14
1st number: 30/36, 2nd number: 3 3/14
30/36 + 45/14 is 85/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 14 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 14 × 18 = 252,
45/14 = 45 × 18/14 × 18 = 810/252 - Add the two like fractions:
210/252 + 810/252 = 210 + 810/252 = 1020/252 - 1020/252 simplified gives 85/21
- So, 30/36 + 45/14 = 85/21
In mixed form: 41/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/36+45/14 30/36+90/14 30/72+45/14 30/36+45/28 90/36+45/14 30/36+45/42 30/36+45/70 30/36+45/98