Add 70/12 and 42/28
1st number: 5 10/12, 2nd number: 1 14/28
70/12 + 42/28 is 22/3.
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,
42/28 = 42 × 3/28 × 3 = 126/84 - Add the two like fractions:
490/84 + 126/84 = 490 + 126/84 = 616/84 - 616/84 simplified gives 22/3
- So, 70/12 + 42/28 = 22/3
In mixed form: 71/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/12+84/28 70/24+42/28 70/12+42/56 70/36+42/28 70/12+42/84 70/60+42/28 70/84+42/28