Add 8/42 and 5/63
8/42 + 5/63 is 17/63.
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,
8/42 = 8 × 3/42 × 3 = 24/126 - Likewise, for the 2nd fraction, since 63 × 2 = 126,
5/63 = 5 × 2/63 × 2 = 10/126 - Add the two like fractions:
24/126 + 10/126 = 24 + 10/126 = 34/126 - 34/126 simplified gives 17/63
- So, 8/42 + 5/63 = 17/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+5/63 8/42+10/63 8/84+5/63 24/42+5/63 8/42+15/63 40/42+5/63 8/42+25/63 56/42+5/63 8/42+35/63