Add 70/18 and 1/45
1st number: 3 16/18, 2nd number: 1/45
70/18 + 1/45 is 176/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 18 × 5 = 90,
70/18 = 70 × 5/18 × 5 = 350/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
1/45 = 1 × 2/45 × 2 = 2/90 - Add the two like fractions:
350/90 + 2/90 = 350 + 2/90 = 352/90 - 352/90 simplified gives 176/45
- So, 70/18 + 1/45 = 176/45
In mixed form: 341/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/18+2/45 70/36+1/45 70/18+1/90 70/18+3/45 70/54+1/45 70/18+5/45 70/90+1/45 70/18+7/45