Add 84/42 and 10/63
1st number: 2 0/42, 2nd number: 10/63
84/42 + 10/63 is 136/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 63 is 126
Next, find the equivalent fraction of both fractional numbers with denominator 126 - For the 1st fraction, since 42 × 3 = 126,
84/42 = 84 × 3/42 × 3 = 252/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
10/63 = 10 × 2/63 × 2 = 20/126 - Add the two like fractions:
252/126 + 20/126 = 252 + 20/126 = 272/126 - 272/126 simplified gives 136/63
- So, 84/42 + 10/63 = 136/63
In mixed form: 210/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/42+20/63 84/42+30/63 84/42+50/63 84/42+70/63