Add 10/15 and 42/4
1st number: 10/15, 2nd number: 10 2/4
10/15 + 42/4 is 67/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 4 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 15 × 4 = 60,
10/15 = 10 × 4/15 × 4 = 40/60 - Likewise, for the 2nd fraction, since 4 × 15 = 60,
42/4 = 42 × 15/4 × 15 = 630/60 - Add the two like fractions:
40/60 + 630/60 = 40 + 630/60 = 670/60 - 670/60 simplified gives 67/6
- So, 10/15 + 42/4 = 67/6
In mixed form: 111/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/15+42/4 10/15+84/4 10/30+42/4 10/15+42/8 30/15+42/4 10/45+42/4 10/15+42/12 50/15+42/4 10/75+42/4 10/15+42/20 70/15+42/4 10/15+42/28