Add 8/42 and 10/18
8/42 + 10/18 is 47/63.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 18 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 18 × 7 = 126,
10/18 = 10 × 7/18 × 7 = 70/126 - Add the two like fractions:
24/126 + 70/126 = 24 + 70/126 = 94/126 - 94/126 simplified gives 47/63
- So, 8/42 + 10/18 = 47/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/42+10/18 8/42+20/18 8/84+10/18 8/42+10/36 24/42+10/18 8/42+30/18 8/42+10/54 40/42+10/18 8/42+50/18 8/42+10/90 56/42+10/18 8/42+70/18