Add 21/2 and 56/16
1st number: 10 1/2, 2nd number: 3 8/16
21/2 + 56/16 is 14/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 16 is 16
Next, find the equivalent fraction of both fractional numbers with denominator 16 - For the 1st fraction, since 2 × 8 = 16,
21/2 = 21 × 8/2 × 8 = 168/16 - Likewise, for the 2nd fraction, since 16 × 1 = 16,
56/16 = 56 × 1/16 × 1 = 56/16 - Add the two like fractions:
168/16 + 56/16 = 168 + 56/16 = 224/16 - 224/16 simplified gives 14/1
- So, 21/2 + 56/16 = 14/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/2+56/16 21/4+56/16 21/2+56/32 63/2+56/16 21/6+56/16 21/2+56/48 21/10+56/16 21/2+56/80 21/14+56/16