Add 16/21 and 8/49
16/21 + 8/49 is 136/147.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147
Next, find the equivalent fraction of both fractional numbers with denominator 147 - For the 1st fraction, since 21 × 7 = 147,
16/21 = 16 × 7/21 × 7 = 112/147 - Likewise, for the 2nd fraction, since 49 × 3 = 147,
8/49 = 8 × 3/49 × 3 = 24/147 - Add the two like fractions:
112/147 + 24/147 = 112 + 24/147 = 136/147 - So, 16/21 + 8/49 = 136/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+8/49 16/21+16/49 16/42+8/49 16/21+8/98 48/21+8/49 16/21+24/49 16/63+8/49 80/21+8/49 16/21+40/49 16/21+56/49