Add 50/84 and 70/12
1st number: 50/84, 2nd number: 5 10/12
50/84 + 70/12 is 45/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 84 and 12 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 84 × 1 = 84,
50/84 = 50 × 1/84 × 1 = 50/84 - Likewise, for the 2nd fraction, since 12 × 7 = 84,
70/12 = 70 × 7/12 × 7 = 490/84 - Add the two like fractions:
50/84 + 490/84 = 50 + 490/84 = 540/84 - 540/84 simplified gives 45/7
- So, 50/84 + 70/12 = 45/7
In mixed form: 63/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 50/84+70/24 50/84+70/36 50/84+70/60 50/84+70/84