Add 70/28 and 1/18
1st number: 2 14/28, 2nd number: 1/18
70/28 + 1/18 is 23/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 18 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
70/28 = 70 × 9/28 × 9 = 630/252 - Likewise, for the 2nd fraction, since 18 × 14 = 252,
1/18 = 1 × 14/18 × 14 = 14/252 - Add the two like fractions:
630/252 + 14/252 = 630 + 14/252 = 644/252 - 644/252 simplified gives 23/9
- So, 70/28 + 1/18 = 23/9
In mixed form: 25/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/28+2/18 70/56+1/18 70/28+1/36 70/28+3/18 70/84+1/18 70/28+1/54 70/28+5/18 70/28+1/90 70/28+7/18