Add 15/5 and 10/30
1st number: 3 0/5, 2nd number: 10/30
15/5 + 10/30 is 10/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 30 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 5 × 6 = 30,
15/5 = 15 × 6/5 × 6 = 90/30 - Likewise, for the 2nd fraction, since 30 × 1 = 30,
10/30 = 10 × 1/30 × 1 = 10/30 - Add the two like fractions:
90/30 + 10/30 = 90 + 10/30 = 100/30 - 100/30 simplified gives 10/3
- So, 15/5 + 10/30 = 10/3
In mixed form: 31/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 30/5+10/30 15/5+20/30 15/10+10/30 15/5+10/60 45/5+10/30 15/5+10/90 75/5+10/30 15/5+50/30 15/25+10/30 15/5+70/30 15/35+10/30