Add 8/15 and 49/80
8/15 + 49/80 is 55/48.
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,
8/15 = 8 × 16/15 × 16 = 128/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
49/80 = 49 × 3/80 × 3 = 147/240 - Add the two like fractions:
128/240 + 147/240 = 128 + 147/240 = 275/240 - 275/240 simplified gives 55/48
- So, 8/15 + 49/80 = 55/48
In mixed form: 17/48
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/15+49/80 8/15+98/80 8/30+49/80 24/15+49/80 8/45+49/80 40/15+49/80 8/75+49/80 56/15+49/80