Add 24/15 and 80/42
1st number: 1 9/15, 2nd number: 1 38/42
24/15 + 80/42 is 368/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 15 × 14 = 210,
24/15 = 24 × 14/15 × 14 = 336/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
80/42 = 80 × 5/42 × 5 = 400/210 - Add the two like fractions:
336/210 + 400/210 = 336 + 400/210 = 736/210 - 736/210 simplified gives 368/105
- So, 24/15 + 80/42 = 368/105
In mixed form: 353/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/15+80/42 24/30+80/42 24/15+80/84 72/15+80/42 24/45+80/42 24/75+80/42