Add 50/42 and 84/54
1st number: 1 8/42, 2nd number: 1 30/54
50/42 + 84/54 is 173/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 54 is 378
Next, find the equivalent fraction of both fractional numbers with denominator 378 - For the 1st fraction, since 42 × 9 = 378,
50/42 = 50 × 9/42 × 9 = 450/378 - Likewise, for the 2nd fraction, since 54 × 7 = 378,
84/54 = 84 × 7/54 × 7 = 588/378 - Add the two like fractions:
450/378 + 588/378 = 450 + 588/378 = 1038/378 - 1038/378 simplified gives 173/63
- So, 50/42 + 84/54 = 173/63
In mixed form: 247/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84+84/54