Add 70/36 and 72/28
1st number: 1 34/36, 2nd number: 2 16/28
70/36 + 72/28 is 569/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 28 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 36 × 7 = 252,
70/36 = 70 × 7/36 × 7 = 490/252 - Likewise, for the 2nd fraction, since 28 × 9 = 252,
72/28 = 72 × 9/28 × 9 = 648/252 - Add the two like fractions:
490/252 + 648/252 = 490 + 648/252 = 1138/252 - 1138/252 simplified gives 569/126
- So, 70/36 + 72/28 = 569/126
In mixed form: 465/126
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72+72/28 70/36+72/56 70/36+72/84