Add 45/54 and 70/8
1st number: 45/54, 2nd number: 8 6/8
45/54 + 70/8 is 115/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 8 is 216
Next, find the equivalent fraction of both fractional numbers with denominator 216 - For the 1st fraction, since 54 × 4 = 216,
45/54 = 45 × 4/54 × 4 = 180/216 - Likewise, for the 2nd fraction, since 8 × 27 = 216,
70/8 = 70 × 27/8 × 27 = 1890/216 - Add the two like fractions:
180/216 + 1890/216 = 180 + 1890/216 = 2070/216 - 2070/216 simplified gives 115/12
- So, 45/54 + 70/8 = 115/12
In mixed form: 97/12
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/54+70/8 45/54+70/16 45/54+70/24 45/54+70/40 45/54+70/56