Add 28/4 and 24/42
1st number: 7 0/4, 2nd number: 24/42
28/4 + 24/42 is 53/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 42 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 4 × 21 = 84,
28/4 = 28 × 21/4 × 21 = 588/84 - Likewise, for the 2nd fraction, since 42 × 2 = 84,
24/42 = 24 × 2/42 × 2 = 48/84 - Add the two like fractions:
588/84 + 48/84 = 588 + 48/84 = 636/84 - 636/84 simplified gives 53/7
- So, 28/4 + 24/42 = 53/7
In mixed form: 74/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/4+24/42 28/4+48/42 28/8+24/42 28/4+24/84 84/4+24/42 28/4+72/42 28/12+24/42 28/20+24/42