Add 45/42 and 24/28
1st number: 1 3/42, 2nd number: 24/28
45/42 + 24/28 is 27/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 42 × 2 = 84,
45/42 = 45 × 2/42 × 2 = 90/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
24/28 = 24 × 3/28 × 3 = 72/84 - Add the two like fractions:
90/84 + 72/84 = 90 + 72/84 = 162/84 - 162/84 simplified gives 27/14
- So, 45/42 + 24/28 = 27/14
In mixed form: 113/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/42+24/28 45/42+48/28 45/84+24/28 45/42+24/56 45/42+72/28 45/42+24/84