Add 6/28 and 70/72
6/28 + 70/72 is 299/252.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 28 × 18 = 504,
6/28 = 6 × 18/28 × 18 = 108/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
70/72 = 70 × 7/72 × 7 = 490/504 - Add the two like fractions:
108/504 + 490/504 = 108 + 490/504 = 598/504 - 598/504 simplified gives 299/252
- So, 6/28 + 70/72 = 299/252
In mixed form: 147/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 12/28+70/72 6/56+70/72 18/28+70/72 6/84+70/72 30/28+70/72 42/28+70/72