Add 8/7 and 56/45
1st number: 1 1/7, 2nd number: 1 11/45
8/7 + 56/45 is 752/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 45 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 7 × 45 = 315,
8/7 = 8 × 45/7 × 45 = 360/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
56/45 = 56 × 7/45 × 7 = 392/315 - Add the two like fractions:
360/315 + 392/315 = 360 + 392/315 = 752/315 - So, 8/7 + 56/45 = 752/315
In mixed form: 2122/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7+56/45 8/14+56/45 8/7+56/90 24/7+56/45 8/21+56/45 40/7+56/45 8/35+56/45 56/7+56/45 8/49+56/45