Add 70/36 and 70/90
1st number: 1 34/36, 2nd number: 70/90
70/36 + 70/90 is 49/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 90 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 36 × 5 = 180,
70/36 = 70 × 5/36 × 5 = 350/180 - Likewise, for the 2nd fraction, since 90 × 2 = 180,
70/90 = 70 × 2/90 × 2 = 140/180 - Add the two like fractions:
350/180 + 140/180 = 350 + 140/180 = 490/180 - 490/180 simplified gives 49/18
- So, 70/36 + 70/90 = 49/18
In mixed form: 213/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/72+70/90