Add 24/80 and 42/15
1st number: 24/80, 2nd number: 2 12/15
24/80 + 42/15 is 31/10.
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,
24/80 = 24 × 3/80 × 3 = 72/240 - Likewise, for the 2nd fraction, since 15 × 16 = 240,
42/15 = 42 × 16/15 × 16 = 672/240 - Add the two like fractions:
72/240 + 672/240 = 72 + 672/240 = 744/240 - 744/240 simplified gives 31/10
- So, 24/80 + 42/15 = 31/10
In mixed form: 31/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/80+42/15 24/80+84/15 24/80+42/30 72/80+42/15 24/80+42/45 24/80+42/75