Add 15/9 and 5/42
1st number: 1 6/9, 2nd number: 5/42
15/9 + 5/42 is 25/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 42 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 9 × 14 = 126,
15/9 = 15 × 14/9 × 14 = 210/126 - Likewise, for the 2nd fraction, since 42 × 3 = 126,
5/42 = 5 × 3/42 × 3 = 15/126 - Add the two like fractions:
210/126 + 15/126 = 210 + 15/126 = 225/126 - 225/126 simplified gives 25/14
- So, 15/9 + 5/42 = 25/14
In mixed form: 111/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/9+5/42 15/9+10/42 15/18+5/42 15/9+5/84 45/9+5/42 15/9+15/42 15/27+5/42 75/9+5/42 15/9+25/42 15/45+5/42 15/9+35/42 15/63+5/42