Add 50/42 and 8/20
1st number: 1 8/42, 2nd number: 8/20
50/42 + 8/20 is 167/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 20 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 42 × 10 = 420,
50/42 = 50 × 10/42 × 10 = 500/420 - Likewise, for the 2nd fraction, since 20 × 21 = 420,
8/20 = 8 × 21/20 × 21 = 168/420 - Add the two like fractions:
500/420 + 168/420 = 500 + 168/420 = 668/420 - 668/420 simplified gives 167/105
- So, 50/42 + 8/20 = 167/105
In mixed form: 162/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+16/20 50/84+8/20 50/42+8/40 50/42+24/20 50/42+8/60 50/42+40/20 50/42+56/20