Add 8/7 and 10/45
1st number: 1 1/7, 2nd number: 10/45
8/7 + 10/45 is 86/63.
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,
10/45 = 10 × 7/45 × 7 = 70/315 - Add the two like fractions:
360/315 + 70/315 = 360 + 70/315 = 430/315 - 430/315 simplified gives 86/63
- So, 8/7 + 10/45 = 86/63
In mixed form: 123/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/7+10/45 8/7+20/45 8/14+10/45 8/7+10/90 24/7+10/45 8/7+30/45 8/21+10/45 40/7+10/45 8/7+50/45 8/35+10/45 56/7+10/45 8/7+70/45 8/49+10/45