Add 70/56 and 20/18
1st number: 1 14/56, 2nd number: 1 2/18
70/56 + 20/18 is 85/36.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 18 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
70/56 = 70 × 9/56 × 9 = 630/504 - Likewise, for the 2nd fraction, since 18 × 28 = 504,
20/18 = 20 × 28/18 × 28 = 560/504 - Add the two like fractions:
630/504 + 560/504 = 630 + 560/504 = 1190/504 - 1190/504 simplified gives 85/36
- So, 70/56 + 20/18 = 85/36
In mixed form: 213/36
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/56+40/18 70/56+20/36 70/56+60/18 70/56+20/54 70/56+20/90