Add 40/18 and 15/84
1st number: 2 4/18, 2nd number: 15/84
40/18 + 15/84 is 605/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
40/18 = 40 × 14/18 × 14 = 560/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
15/84 = 15 × 3/84 × 3 = 45/252 - Add the two like fractions:
560/252 + 45/252 = 560 + 45/252 = 605/252 - So, 40/18 + 15/84 = 605/252
In mixed form: 2101/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/18+15/84 40/18+30/84 40/36+15/84 40/18+45/84 40/54+15/84 40/18+75/84 40/90+15/84