Add 10/45 and 70/28
1st number: 10/45, 2nd number: 2 14/28
10/45 + 70/28 is 49/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
10/45 = 10 × 28/45 × 28 = 280/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
70/28 = 70 × 45/28 × 45 = 3150/1260 - Add the two like fractions:
280/1260 + 3150/1260 = 280 + 3150/1260 = 3430/1260 - 3430/1260 simplified gives 49/18
- So, 10/45 + 70/28 = 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: 20/45+70/28 10/90+70/28 10/45+70/56 30/45+70/28 10/45+70/84 50/45+70/28 70/45+70/28