Add 30/84 and 32/15
1st number: 30/84, 2nd number: 2 2/15
30/84 + 32/15 is 523/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 15 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
30/84 = 30 × 5/84 × 5 = 150/420 - Likewise, for the 2nd fraction, since 15 × 28 = 420,
32/15 = 32 × 28/15 × 28 = 896/420 - Add the two like fractions:
150/420 + 896/420 = 150 + 896/420 = 1046/420 - 1046/420 simplified gives 523/210
- So, 30/84 + 32/15 = 523/210
In mixed form: 2103/210
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/84+32/15 30/84+64/15 30/84+32/30 90/84+32/15 30/84+96/15 30/84+32/45 30/84+32/75