Add 24/42 and 84/9
1st number: 24/42, 2nd number: 9 3/9
24/42 + 84/9 is 208/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 9 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
24/42 = 24 × 3/42 × 3 = 72/126 - Likewise, for the 2nd fraction, since 9 × 14 = 126,
84/9 = 84 × 14/9 × 14 = 1176/126 - Add the two like fractions:
72/126 + 1176/126 = 72 + 1176/126 = 1248/126 - 1248/126 simplified gives 208/21
- So, 24/42 + 84/9 = 208/21
In mixed form: 919/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 48/42+84/9 24/84+84/9 24/42+84/18 72/42+84/9 24/42+84/27 24/42+84/45 24/42+84/63