Add 3/30 and 40/15
1st number: 3/30, 2nd number: 2 10/15
3/30 + 40/15 is 83/30.
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,
3/30 = 3 × 1/30 × 1 = 3/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
40/15 = 40 × 2/15 × 2 = 80/30 - Add the two like fractions:
3/30 + 80/30 = 3 + 80/30 = 83/30 - So, 3/30 + 40/15 = 83/30
In mixed form: 223/30
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/30+40/15 3/30+80/15 3/60+40/15 3/30+40/30 9/30+40/15 3/90+40/15 3/30+40/45 15/30+40/15 3/30+40/75 21/30+40/15