Add 54/12 and 70/84
1st number: 4 6/12, 2nd number: 70/84
54/12 + 70/84 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 84 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
54/12 = 54 × 7/12 × 7 = 378/84 - Likewise, for the 2nd fraction, since 84 × 1 = 84,
70/84 = 70 × 1/84 × 1 = 70/84 - Add the two like fractions:
378/84 + 70/84 = 378 + 70/84 = 448/84 - 448/84 simplified gives 16/3
- So, 54/12 + 70/84 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/24+70/84 54/36+70/84 54/60+70/84 54/84+70/84