Add 21/16 and 40/50
1st number: 1 5/16, 2nd number: 40/50
21/16 + 40/50 is 169/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 50 is 400
Next, find the equivalent fraction of both fractional numbers with denominator 400 - For the 1st fraction, since 16 × 25 = 400,
21/16 = 21 × 25/16 × 25 = 525/400 - Likewise, for the 2nd fraction, since 50 × 8 = 400,
40/50 = 40 × 8/50 × 8 = 320/400 - Add the two like fractions:
525/400 + 320/400 = 525 + 320/400 = 845/400 - 845/400 simplified gives 169/80
- So, 21/16 + 40/50 = 169/80
In mixed form: 29/80
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16+40/50 21/16+80/50 21/32+40/50 63/16+40/50 21/48+40/50 21/80+40/50