Add 10/45 and 56/7
1st number: 10/45, 2nd number: 8 0/7
10/45 + 56/7 is 74/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 7 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
10/45 = 10 × 7/45 × 7 = 70/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
56/7 = 56 × 45/7 × 45 = 2520/315 - Add the two like fractions:
70/315 + 2520/315 = 70 + 2520/315 = 2590/315 - 2590/315 simplified gives 74/9
- So, 10/45 + 56/7 = 74/9
In mixed form: 82/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 20/45+56/7 10/90+56/7 10/45+56/14 30/45+56/7 10/45+56/21 50/45+56/7 10/45+56/35 70/45+56/7 10/45+56/49