Add 50/42 and 81/56
1st number: 1 8/42, 2nd number: 1 25/56
50/42 + 81/56 is 443/168.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 56 is 168
Next, find the equivalent fraction of both fractional numbers with denominator 168 - For the 1st fraction, since 42 × 4 = 168,
50/42 = 50 × 4/42 × 4 = 200/168 - Likewise, for the 2nd fraction, since 56 × 3 = 168,
81/56 = 81 × 3/56 × 3 = 243/168 - Add the two like fractions:
200/168 + 243/168 = 200 + 243/168 = 443/168 - So, 50/42 + 81/56 = 443/168
In mixed form: 2107/168
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84+81/56