Add 10/18 and 30/84
10/18 + 30/84 is 115/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 84 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 18 × 14 = 252,
10/18 = 10 × 14/18 × 14 = 140/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
30/84 = 30 × 3/84 × 3 = 90/252 - Add the two like fractions:
140/252 + 90/252 = 140 + 90/252 = 230/252 - 230/252 simplified gives 115/126
- So, 10/18 + 30/84 = 115/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/18+30/84 10/18+60/84 10/36+30/84 30/18+30/84 10/18+90/84 10/54+30/84 50/18+30/84 10/90+30/84 70/18+30/84