Add 28/42 and 24/7
1st number: 28/42, 2nd number: 3 3/7
28/42 + 24/7 is 86/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 7 is 42
Next, find the equivalent fraction of both fractional numbers with denominator 42 - For the 1st fraction, since 42 × 1 = 42,
28/42 = 28 × 1/42 × 1 = 28/42 - Likewise, for the 2nd fraction, since 7 × 6 = 42,
24/7 = 24 × 6/7 × 6 = 144/42 - Add the two like fractions:
28/42 + 144/42 = 28 + 144/42 = 172/42 - 172/42 simplified gives 86/21
- So, 28/42 + 24/7 = 86/21
In mixed form: 42/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/42+24/7 28/42+48/7 28/84+24/7 28/42+24/14 84/42+24/7 28/42+72/7 28/42+24/21 28/42+24/35 28/42+24/49