Add 21/49 and 3/16
21/49 + 3/16 is 69/112.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 16 is 784
Next, find the equivalent fraction of both fractional numbers with denominator 784 - For the 1st fraction, since 49 × 16 = 784,
21/49 = 21 × 16/49 × 16 = 336/784 - Likewise, for the 2nd fraction, since 16 × 49 = 784,
3/16 = 3 × 49/16 × 49 = 147/784 - Add the two like fractions:
336/784 + 147/784 = 336 + 147/784 = 483/784 - 483/784 simplified gives 69/112
- So, 21/49 + 3/16 = 69/112
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 42/49+3/16 21/49+6/16 21/98+3/16 21/49+3/32 63/49+3/16 21/49+9/16 21/49+3/48 21/49+15/16 21/49+3/80 21/49+21/16