Add 2/15 and 30/80
2/15 + 30/80 is 61/120.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 15 × 16 = 240,
2/15 = 2 × 16/15 × 16 = 32/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
30/80 = 30 × 3/80 × 3 = 90/240 - Add the two like fractions:
32/240 + 90/240 = 32 + 90/240 = 122/240 - 122/240 simplified gives 61/120
- So, 2/15 + 30/80 = 61/120
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 4/15+30/80 2/15+60/80 2/30+30/80 6/15+30/80 2/15+90/80 2/45+30/80 10/15+30/80 2/75+30/80 14/15+30/80