Add 70/18 and 54/49
1st number: 3 16/18, 2nd number: 1 5/49
70/18 + 54/49 is 2201/441.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 49 is 882
Next, find the equivalent fraction of both fractional numbers with denominator 882 - For the 1st fraction, since 18 × 49 = 882,
70/18 = 70 × 49/18 × 49 = 3430/882 - Likewise, for the 2nd fraction, since 49 × 18 = 882,
54/49 = 54 × 18/49 × 18 = 972/882 - Add the two like fractions:
3430/882 + 972/882 = 3430 + 972/882 = 4402/882 - 4402/882 simplified gives 2201/441
- So, 70/18 + 54/49 = 2201/441
In mixed form: 4437/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36+54/49 70/18+54/98 70/54+54/49 70/90+54/49