Add 36/28 and 70/72
1st number: 1 8/28, 2nd number: 70/72
36/28 + 70/72 is 569/252.
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,
36/28 = 36 × 18/28 × 18 = 648/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
70/72 = 70 × 7/72 × 7 = 490/504 - Add the two like fractions:
648/504 + 490/504 = 648 + 490/504 = 1138/504 - 1138/504 simplified gives 569/252
- So, 36/28 + 70/72 = 569/252
In mixed form: 265/252
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/28+70/72 36/56+70/72 36/84+70/72