Add 15/30 and 80/36
1st number: 15/30, 2nd number: 2 8/36
15/30 + 80/36 is 49/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 30 × 6 = 180,
15/30 = 15 × 6/30 × 6 = 90/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
80/36 = 80 × 5/36 × 5 = 400/180 - Add the two like fractions:
90/180 + 400/180 = 90 + 400/180 = 490/180 - 490/180 simplified gives 49/18
- So, 15/30 + 80/36 = 49/18
In mixed form: 213/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 15/60+80/36 15/30+80/72 45/30+80/36 15/90+80/36 75/30+80/36