Add 3/45 and 5/7
3/45 + 5/7 is 82/105.
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,
3/45 = 3 × 7/45 × 7 = 21/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
5/7 = 5 × 45/7 × 45 = 225/315 - Add the two like fractions:
21/315 + 225/315 = 21 + 225/315 = 246/315 - 246/315 simplified gives 82/105
- So, 3/45 + 5/7 = 82/105
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 6/45+5/7 3/45+10/7 3/90+5/7 3/45+5/14 9/45+5/7 3/45+15/7 3/45+5/21 15/45+5/7 3/45+25/7 3/45+5/35 21/45+5/7 3/45+35/7 3/45+5/49