Add 15/18 and 24/7
1st number: 15/18, 2nd number: 3 3/7
15/18 + 24/7 is 179/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 7 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 18 × 7 = 126,
15/18 = 15 × 7/18 × 7 = 105/126 - Likewise, for the 2nd fraction, since 7 × 18 = 126,
24/7 = 24 × 18/7 × 18 = 432/126 - Add the two like fractions:
105/126 + 432/126 = 105 + 432/126 = 537/126 - 537/126 simplified gives 179/42
- So, 15/18 + 24/7 = 179/42
In mixed form: 411/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/18+24/7 15/18+48/7 15/36+24/7 15/18+24/14 45/18+24/7 15/18+72/7 15/54+24/7 15/18+24/21 75/18+24/7 15/90+24/7 15/18+24/35 15/18+24/49