Add 70/36 and 3/90
1st number: 1 34/36, 2nd number: 3/90
70/36 + 3/90 is 89/45.
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,
3/90 = 3 × 2/90 × 2 = 6/180 - Add the two like fractions:
350/180 + 6/180 = 350 + 6/180 = 356/180 - 356/180 simplified gives 89/45
- So, 70/36 + 3/90 = 89/45
In mixed form: 144/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36+6/90 70/72+3/90 70/36+9/90 70/36+15/90 70/36+21/90