Add 70/18 and 12/49
1st number: 3 16/18, 2nd number: 12/49
70/18 + 12/49 is 1823/441.
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,
12/49 = 12 × 18/49 × 18 = 216/882 - Add the two like fractions:
3430/882 + 216/882 = 3430 + 216/882 = 3646/882 - 3646/882 simplified gives 1823/441
- So, 70/18 + 12/49 = 1823/441
In mixed form: 459/441
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+24/49 70/36+12/49 70/18+12/98 70/18+36/49 70/54+12/49 70/18+60/49 70/90+12/49 70/18+84/49