Add 45/70 and 56/7
1st number: 45/70, 2nd number: 8 0/7
45/70 + 56/7 is 121/14.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 7 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 70 × 1 = 70,
45/70 = 45 × 1/70 × 1 = 45/70 - Likewise, for the 2nd fraction, since 7 × 10 = 70,
56/7 = 56 × 10/7 × 10 = 560/70 - Add the two like fractions:
45/70 + 560/70 = 45 + 560/70 = 605/70 - 605/70 simplified gives 121/14
- So, 45/70 + 56/7 = 121/14
In mixed form: 89/14
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/70+56/7 45/70+56/14 45/70+56/21 45/70+56/35 45/70+56/49