Add 10/42 and 40/16
1st number: 10/42, 2nd number: 2 8/16
10/42 + 40/16 is 115/42.
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,
40/16 = 40 × 21/16 × 21 = 840/336 - Add the two like fractions:
80/336 + 840/336 = 80 + 840/336 = 920/336 - 920/336 simplified gives 115/42
- So, 10/42 + 40/16 = 115/42
In mixed form: 231/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/42+40/16 10/42+80/16 10/84+40/16 10/42+40/32 30/42+40/16 10/42+40/48 50/42+40/16 10/42+40/80 70/42+40/16