Add 70/6 and 28/45
1st number: 11 4/6, 2nd number: 28/45
70/6 + 28/45 is 553/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 45 is 90
Next, find the equivalent fraction of both fractional numbers with denominator 90 - For the 1st fraction, since 6 × 15 = 90,
70/6 = 70 × 15/6 × 15 = 1050/90 - Likewise, for the 2nd fraction, since 45 × 2 = 90,
28/45 = 28 × 2/45 × 2 = 56/90 - Add the two like fractions:
1050/90 + 56/90 = 1050 + 56/90 = 1106/90 - 1106/90 simplified gives 553/45
- So, 70/6 + 28/45 = 553/45
In mixed form: 1213/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 70/6+56/45 70/12+28/45 70/6+28/90 70/6+84/45 70/18+28/45 70/30+28/45 70/42+28/45