Add 40/7 and 30/36
1st number: 5 5/7, 2nd number: 30/36
40/7 + 30/36 is 275/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 36 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 7 × 36 = 252,
40/7 = 40 × 36/7 × 36 = 1440/252 - Likewise, for the 2nd fraction, since 36 × 7 = 252,
30/36 = 30 × 7/36 × 7 = 210/252 - Add the two like fractions:
1440/252 + 210/252 = 1440 + 210/252 = 1650/252 - 1650/252 simplified gives 275/42
- So, 40/7 + 30/36 = 275/42
In mixed form: 623/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/7+30/36 40/7+60/36 40/14+30/36 40/7+30/72 40/7+90/36 40/21+30/36 40/35+30/36 40/49+30/36