Add 45/14 and 30/36
1st number: 3 3/14, 2nd number: 30/36
45/14 + 30/36 is 85/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 14 × 18 = 252,
45/14 = 45 × 18/14 × 18 = 810/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Add the two like fractions:
810/252 + 210/252 = 810 + 210/252 = 1020/252 - 1020/252 simplified gives 85/21
- So, 45/14 + 30/36 = 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: 90/14+30/36 45/14+60/36 45/28+30/36 45/14+30/72 45/14+90/36 45/42+30/36 45/70+30/36 45/98+30/36