Add 1/30 and 42/15
1st number: 1/30, 2nd number: 2 12/15
1/30 + 42/15 is 17/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 30 × 1 = 30,
1/30 = 1 × 1/30 × 1 = 1/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
42/15 = 42 × 2/15 × 2 = 84/30 - Add the two like fractions:
1/30 + 84/30 = 1 + 84/30 = 85/30 - 85/30 simplified gives 17/6
- So, 1/30 + 42/15 = 17/6
In mixed form: 25/6
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 2/30+42/15 1/30+84/15 1/60+42/15 1/30+42/30 3/30+42/15 1/90+42/15 1/30+42/45 5/30+42/15 1/30+42/75 7/30+42/15