Add 70/14 and 15/45
1st number: 5 0/14, 2nd number: 15/45
70/14 + 15/45 is 16/3.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
70/14 = 70 × 45/14 × 45 = 3150/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
15/45 = 15 × 14/45 × 14 = 210/630 - Add the two like fractions:
3150/630 + 210/630 = 3150 + 210/630 = 3360/630 - 3360/630 simplified gives 16/3
- So, 70/14 + 15/45 = 16/3
In mixed form: 51/3
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/14+30/45 70/28+15/45 70/14+15/90 70/42+15/45 70/14+75/45 70/98+15/45