Add 7/45 and 4/7
7/45 + 4/7 is 229/315.
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,
4/7 = 4 × 45/7 × 45 = 180/315 - Add the two like fractions:
49/315 + 180/315 = 49 + 180/315 = 229/315 - So, 7/45 + 4/7 = 229/315
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/45+4/7 7/45+8/7 7/90+4/7 7/45+4/14 21/45+4/7 7/45+12/7 7/45+4/21 35/45+4/7 7/45+20/7 7/45+4/35 49/45+4/7 7/45+28/7 7/45+4/49