Add 40/2 and 8/84
1st number: 20 0/2, 2nd number: 8/84
40/2 + 8/84 is 422/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 2 × 42 = 84,
40/2 = 40 × 42/2 × 42 = 1680/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
8/84 = 8 × 1/84 × 1 = 8/84 - Add the two like fractions:
1680/84 + 8/84 = 1680 + 8/84 = 1688/84 - 1688/84 simplified gives 422/21
- So, 40/2 + 8/84 = 422/21
In mixed form: 202/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 80/2+8/84 40/2+16/84 40/4+8/84 40/2+24/84 40/6+8/84 40/2+40/84 40/10+8/84 40/2+56/84 40/14+8/84