Add 70/8 and 84/54
1st number: 8 6/8, 2nd number: 1 30/54
70/8 + 84/54 is 371/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 8 and 54 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 8 × 27 = 216,
70/8 = 70 × 27/8 × 27 = 1890/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
84/54 = 84 × 4/54 × 4 = 336/216 - Add the two like fractions:
1890/216 + 336/216 = 1890 + 336/216 = 2226/216 - 2226/216 simplified gives 371/36
- So, 70/8 + 84/54 = 371/36
In mixed form: 1011/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/16+84/54 70/24+84/54 70/40+84/54 70/56+84/54