Add 42/15 and 70/5
1st number: 2 12/15, 2nd number: 14 0/5
42/15 + 70/5 is 84/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 5 is 15
Next, find the equivalent fraction of both fractional numbers with denominator 15 - For the 1st fraction, since 15 × 1 = 15,
42/15 = 42 × 1/15 × 1 = 42/15 - Likewise, for the 2nd fraction, since 5 × 3 = 15,
70/5 = 70 × 3/5 × 3 = 210/15 - Add the two like fractions:
42/15 + 210/15 = 42 + 210/15 = 252/15 - 252/15 simplified gives 84/5
- So, 42/15 + 70/5 = 84/5
In mixed form: 164/5
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/15+70/5 42/30+70/5 42/15+70/10 42/45+70/5 42/15+70/15 42/75+70/5 42/15+70/25 42/15+70/35