Add 70/28 and 72/70
1st number: 2 14/28, 2nd number: 1 2/70
70/28 + 72/70 is 247/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 70 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 70 × 2 = 140,
72/70 = 72 × 2/70 × 2 = 144/140 - Add the two like fractions:
350/140 + 144/140 = 350 + 144/140 = 494/140 - 494/140 simplified gives 247/70
- So, 70/28 + 72/70 = 247/70
In mixed form: 337/70
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56+72/70 70/84+72/70