Add 70/18 and 8/84
1st number: 3 16/18, 2nd number: 8/84
70/18 + 8/84 is 251/63.
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,
70/18 = 70 × 14/18 × 14 = 980/252 - Likewise, for the 2nd fraction, since 84 × 3 = 252,
8/84 = 8 × 3/84 × 3 = 24/252 - Add the two like fractions:
980/252 + 24/252 = 980 + 24/252 = 1004/252 - 1004/252 simplified gives 251/63
- So, 70/18 + 8/84 = 251/63
In mixed form: 362/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+16/84 70/36+8/84 70/18+24/84 70/54+8/84 70/18+40/84 70/90+8/84 70/18+56/84