Add 12/8 and 70/54
1st number: 1 4/8, 2nd number: 1 16/54
12/8 + 70/54 is 151/54.
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,
12/8 = 12 × 27/8 × 27 = 324/216 - Likewise, for the 2nd fraction, since 54 × 4 = 216,
70/54 = 70 × 4/54 × 4 = 280/216 - Add the two like fractions:
324/216 + 280/216 = 324 + 280/216 = 604/216 - 604/216 simplified gives 151/54
- So, 12/8 + 70/54 = 151/54
In mixed form: 243/54
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 24/8+70/54 12/16+70/54 36/8+70/54 12/24+70/54 60/8+70/54 12/40+70/54 84/8+70/54 12/56+70/54