Add 7/45 and 5/7
7/45 + 5/7 is 274/315.
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,
7/45 = 7 × 7/45 × 7 = 49/315 - Likewise, for the 2nd fraction, since 7 × 45 = 315,
5/7 = 5 × 45/7 × 45 = 225/315 - Add the two like fractions:
49/315 + 225/315 = 49 + 225/315 = 274/315 - So, 7/45 + 5/7 = 274/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45+5/7 7/45+10/7 7/90+5/7 7/45+5/14 21/45+5/7 7/45+15/7 7/45+5/21 35/45+5/7 7/45+25/7 7/45+5/35 49/45+5/7 7/45+35/7 7/45+5/49