Add 70/12 and 12/28
1st number: 5 10/12, 2nd number: 12/28
70/12 + 12/28 is 263/42.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 28 is 84
Next, find the equivalent fraction of both fractional numbers with denominator 84 - For the 1st fraction, since 12 × 7 = 84,
70/12 = 70 × 7/12 × 7 = 490/84 - Likewise, for the 2nd fraction, since 28 × 3 = 84,
12/28 = 12 × 3/28 × 3 = 36/84 - Add the two like fractions:
490/84 + 36/84 = 490 + 36/84 = 526/84 - 526/84 simplified gives 263/42
- So, 70/12 + 12/28 = 263/42
In mixed form: 611/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+24/28 70/24+12/28 70/12+12/56 70/12+36/28 70/36+12/28 70/12+12/84 70/12+60/28 70/60+12/28 70/12+84/28 70/84+12/28