Add 70/36 and 45/15
1st number: 1 34/36, 2nd number: 3 0/15
70/36 + 45/15 is 89/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 36 and 15 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 15 × 12 = 180,
45/15 = 45 × 12/15 × 12 = 540/180 - Add the two like fractions:
350/180 + 540/180 = 350 + 540/180 = 890/180 - 890/180 simplified gives 89/18
- So, 70/36 + 45/15 = 89/18
In mixed form: 417/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/36+90/15 70/72+45/15 70/36+45/30 70/36+45/75