Add 45/9 and 5/7
1st number: 5 0/9, 2nd number: 5/7
45/9 + 5/7 is 40/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 9 and 7 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 9 × 7 = 63,
45/9 = 45 × 7/9 × 7 = 315/63 - Likewise, for the 2nd fraction, since 7 × 9 = 63,
5/7 = 5 × 9/7 × 9 = 45/63 - Add the two like fractions:
315/63 + 45/63 = 315 + 45/63 = 360/63 - 360/63 simplified gives 40/7
- So, 45/9 + 5/7 = 40/7
In mixed form: 55/7
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 90/9+5/7 45/9+10/7 45/18+5/7 45/9+5/14 45/9+15/7 45/27+5/7 45/9+5/21 45/9+25/7 45/9+5/35 45/9+35/7 45/63+5/7 45/9+5/49