Add 4/84 and 10/5
1st number: 4/84, 2nd number: 2 0/5
4/84 + 10/5 is 43/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 5 is 420
Next, find the equivalent fraction of both fractional numbers with denominator 420 - For the 1st fraction, since 84 × 5 = 420,
4/84 = 4 × 5/84 × 5 = 20/420 - Likewise, for the 2nd fraction, since 5 × 84 = 420,
10/5 = 10 × 84/5 × 84 = 840/420 - Add the two like fractions:
20/420 + 840/420 = 20 + 840/420 = 860/420 - 860/420 simplified gives 43/21
- So, 4/84 + 10/5 = 43/21
In mixed form: 21/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 8/84+10/5 4/84+20/5 12/84+10/5 4/84+30/5 4/84+10/15 20/84+10/5 4/84+50/5 4/84+10/25 28/84+10/5 4/84+70/5 4/84+10/35