Add 20/75 and 15/16
20/75 + 15/16 is 289/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 75 and 16 is 1200
Next, find the equivalent fraction of both fractional numbers with denominator 1200 - For the 1st fraction, since 75 × 16 = 1200,
20/75 = 20 × 16/75 × 16 = 320/1200 - Likewise, for the 2nd fraction, since 16 × 75 = 1200,
15/16 = 15 × 75/16 × 75 = 1125/1200 - Add the two like fractions:
320/1200 + 1125/1200 = 320 + 1125/1200 = 1445/1200 - 1445/1200 simplified gives 289/240
- So, 20/75 + 15/16 = 289/240
In mixed form: 149/240
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/75+15/16 20/75+30/16 20/75+15/32 60/75+15/16 20/75+45/16 20/75+15/48 20/75+75/16 20/75+15/80