Add 70/45 and 35/30
1st number: 1 25/45, 2nd number: 1 5/30
70/45 + 35/30 is 49/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 30 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 45 × 2 = 90,
70/45 = 70 × 2/45 × 2 = 140/90 - Likewise, for the 2nd fraction, since 30 × 3 = 90,
35/30 = 35 × 3/30 × 3 = 105/90 - Add the two like fractions:
140/90 + 105/90 = 140 + 105/90 = 245/90 - 245/90 simplified gives 49/18
- So, 70/45 + 35/30 = 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: 70/45+70/30 70/90+35/30 70/45+35/60 70/45+35/90