Add 40/42 and 4/16
40/42 + 4/16 is 101/84.
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,
40/42 = 40 × 8/42 × 8 = 320/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
4/16 = 4 × 21/16 × 21 = 84/336 - Add the two like fractions:
320/336 + 84/336 = 320 + 84/336 = 404/336 - 404/336 simplified gives 101/84
- So, 40/42 + 4/16 = 101/84
In mixed form: 117/84
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/42+4/16 40/42+8/16 40/84+4/16 40/42+4/32 40/42+12/16 40/42+4/48 40/42+20/16 40/42+4/80 40/42+28/16