Add 25/42 and 45/16
1st number: 25/42, 2nd number: 2 13/16
25/42 + 45/16 is 1145/336.
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,
25/42 = 25 × 8/42 × 8 = 200/336 - Likewise, for the 2nd fraction, since 16 × 21 = 336,
45/16 = 45 × 21/16 × 21 = 945/336 - Add the two like fractions:
200/336 + 945/336 = 200 + 945/336 = 1145/336 - So, 25/42 + 45/16 = 1145/336
In mixed form: 3137/336
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/42+45/16 25/42+90/16 25/84+45/16 25/42+45/32 75/42+45/16 25/42+45/48 25/42+45/80