Add 18/84 and 10/4
1st number: 18/84, 2nd number: 2 2/4
18/84 + 10/4 is 19/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 4 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
18/84 = 18 × 1/84 × 1 = 18/84 - Likewise, for the 2nd fraction, since 4 × 21 = 84,
10/4 = 10 × 21/4 × 21 = 210/84 - Add the two like fractions:
18/84 + 210/84 = 18 + 210/84 = 228/84 - 228/84 simplified gives 19/7
- So, 18/84 + 10/4 = 19/7
In mixed form: 25/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/84+10/4 18/84+20/4 18/84+10/8 54/84+10/4 18/84+30/4 18/84+10/12 90/84+10/4 18/84+50/4 18/84+10/20 18/84+70/4 18/84+10/28