Add 84/42 and 16/63
1st number: 2 0/42, 2nd number: 16/63
84/42 + 16/63 is 142/63.
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,
16/63 = 16 × 2/63 × 2 = 32/126 - Add the two like fractions:
252/126 + 32/126 = 252 + 32/126 = 284/126 - 284/126 simplified gives 142/63
- So, 84/42 + 16/63 = 142/63
In mixed form: 216/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/42+32/63 84/42+48/63 84/42+80/63