Add 42/16 and 45/75
1st number: 2 10/16, 2nd number: 45/75
42/16 + 45/75 is 129/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 75 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 16 × 75 = 1200,
42/16 = 42 × 75/16 × 75 = 3150/1200 - Likewise, for the 2nd fraction, since 75 × 16 = 1200,
45/75 = 45 × 16/75 × 16 = 720/1200 - Add the two like fractions:
3150/1200 + 720/1200 = 3150 + 720/1200 = 3870/1200 - 3870/1200 simplified gives 129/40
- So, 42/16 + 45/75 = 129/40
In mixed form: 39/40
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/16+45/75 42/16+90/75 42/32+45/75 42/48+45/75 42/80+45/75