Add 3/15 and 8/80
3/15 + 8/80 is 3/10.
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,
3/15 = 3 × 16/15 × 16 = 48/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
8/80 = 8 × 3/80 × 3 = 24/240 - Add the two like fractions:
48/240 + 24/240 = 48 + 24/240 = 72/240 - 72/240 simplified gives 3/10
- So, 3/15 + 8/80 = 3/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/15+8/80 3/15+16/80 3/30+8/80 9/15+8/80 3/15+24/80 3/45+8/80 3/15+40/80 3/75+8/80 21/15+8/80 3/15+56/80