Add 5/7 and 8/45
5/7 + 8/45 is 281/315.
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,
5/7 = 5 × 45/7 × 45 = 225/315 - Likewise, for the 2nd fraction, since 45 × 7 = 315,
8/45 = 8 × 7/45 × 7 = 56/315 - Add the two like fractions:
225/315 + 56/315 = 225 + 56/315 = 281/315 - So, 5/7 + 8/45 = 281/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 10/7+8/45 5/7+16/45 5/14+8/45 5/7+8/90 15/7+8/45 5/7+24/45 5/21+8/45 25/7+8/45 5/7+40/45 5/35+8/45 35/7+8/45 5/7+56/45 5/49+8/45