Add 30/80 and 50/15
1st number: 30/80, 2nd number: 3 5/15
30/80 + 50/15 is 89/24.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 15 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
30/80 = 30 × 3/80 × 3 = 90/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
50/15 = 50 × 16/15 × 16 = 800/240 - Add the two like fractions:
90/240 + 800/240 = 90 + 800/240 = 890/240 - 890/240 simplified gives 89/24
- So, 30/80 + 50/15 = 89/24
In mixed form: 317/24
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/80+50/15 30/80+50/30 90/80+50/15 30/80+50/45 30/80+50/75