Add 21/16 and 18/50
1st number: 1 5/16, 2nd number: 18/50
21/16 + 18/50 is 669/400.
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,
18/50 = 18 × 8/50 × 8 = 144/400 - Add the two like fractions:
525/400 + 144/400 = 525 + 144/400 = 669/400 - So, 21/16 + 18/50 = 669/400
In mixed form: 1269/400
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/16+18/50 21/16+36/50 21/32+18/50 63/16+18/50 21/16+54/50 21/48+18/50 21/16+90/50 21/80+18/50