Add 42/30 and 15/6
1st number: 1 12/30, 2nd number: 2 3/6
42/30 + 15/6 is 39/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 6 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
42/30 = 42 × 1/30 × 1 = 42/30 - Likewise, for the 2nd fraction, since 6 × 5 = 30,
15/6 = 15 × 5/6 × 5 = 75/30 - Add the two like fractions:
42/30 + 75/30 = 42 + 75/30 = 117/30 - 117/30 simplified gives 39/10
- So, 42/30 + 15/6 = 39/10
In mixed form: 39/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/30+15/6 42/30+30/6 42/60+15/6 42/30+15/12 42/30+45/6 42/90+15/6 42/30+15/18 42/30+75/6 42/30+15/30 42/30+15/42