Add 15/5 and 5/42
1st number: 3 0/5, 2nd number: 5/42
15/5 + 5/42 is 131/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
15/5 = 15 × 42/5 × 42 = 630/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
5/42 = 5 × 5/42 × 5 = 25/210 - Add the two like fractions:
630/210 + 25/210 = 630 + 25/210 = 655/210 - 655/210 simplified gives 131/42
- So, 15/5 + 5/42 = 131/42
In mixed form: 35/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+5/42 15/5+10/42 15/10+5/42 15/5+5/84 45/5+5/42 15/5+15/42 75/5+5/42 15/5+25/42 15/25+5/42 15/5+35/42 15/35+5/42