Add 70/28 and 42/10
1st number: 2 14/28, 2nd number: 4 2/10
70/28 + 42/10 is 67/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 10 is 140
Next, find the equivalent fraction of both fractional numbers with denominator 140 - For the 1st fraction, since 28 × 5 = 140,
70/28 = 70 × 5/28 × 5 = 350/140 - Likewise, for the 2nd fraction, since 10 × 14 = 140,
42/10 = 42 × 14/10 × 14 = 588/140 - Add the two like fractions:
350/140 + 588/140 = 350 + 588/140 = 938/140 - 938/140 simplified gives 67/10
- So, 70/28 + 42/10 = 67/10
In mixed form: 67/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+84/10 70/56+42/10 70/28+42/20 70/84+42/10 70/28+42/30 70/28+42/50 70/28+42/70