Add 16/21 and 90/49
1st number: 16/21, 2nd number: 1 41/49
16/21 + 90/49 is 382/147.
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,
90/49 = 90 × 3/49 × 3 = 270/147 - Add the two like fractions:
112/147 + 270/147 = 112 + 270/147 = 382/147 - So, 16/21 + 90/49 = 382/147
In mixed form: 288/147
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 32/21+90/49 16/42+90/49 16/21+90/98 48/21+90/49 16/63+90/49 80/21+90/49