Add 10/42 and 20/16
1st number: 10/42, 2nd number: 1 4/16
10/42 + 20/16 is 125/84.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 16 is 336
Next, find the equivalent fraction of both fractional numbers with denominator 336 - For the 1st fraction, since 42 × 8 = 336,
10/42 = 10 × 8/42 × 8 = 80/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
20/16 = 20 × 21/16 × 21 = 420/336 - Add the two like fractions:
80/336 + 420/336 = 80 + 420/336 = 500/336 - 500/336 simplified gives 125/84
- So, 10/42 + 20/16 = 125/84
In mixed form: 141/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+20/16 10/42+40/16 10/84+20/16 10/42+20/32 30/42+20/16 10/42+60/16 10/42+20/48 50/42+20/16 10/42+20/80 70/42+20/16