Add 70/12 and 36/28
1st number: 5 10/12, 2nd number: 1 8/28
70/12 + 36/28 is 299/42.
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,
36/28 = 36 × 3/28 × 3 = 108/84 - Add the two like fractions:
490/84 + 108/84 = 490 + 108/84 = 598/84 - 598/84 simplified gives 299/42
- So, 70/12 + 36/28 = 299/42
In mixed form: 75/42
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+72/28 70/24+36/28 70/12+36/56 70/36+36/28 70/12+36/84 70/60+36/28 70/84+36/28