Add 49/21 and 40/84
1st number: 2 7/21, 2nd number: 40/84
49/21 + 40/84 is 59/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 21 × 4 = 84,
49/21 = 49 × 4/21 × 4 = 196/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
40/84 = 40 × 1/84 × 1 = 40/84 - Add the two like fractions:
196/84 + 40/84 = 196 + 40/84 = 236/84 - 236/84 simplified gives 59/21
- So, 49/21 + 40/84 = 59/21
In mixed form: 217/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/21+40/84 49/21+80/84 49/42+40/84 49/63+40/84