Add 7/14 and 18/45
7/14 + 18/45 is 9/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 14 × 45 = 630,
7/14 = 7 × 45/14 × 45 = 315/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
18/45 = 18 × 14/45 × 14 = 252/630 - Add the two like fractions:
315/630 + 252/630 = 315 + 252/630 = 567/630 - 567/630 simplified gives 9/10
- So, 7/14 + 18/45 = 9/10
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14+36/45 7/28+18/45 7/14+18/90 21/14+18/45 7/14+54/45 7/42+18/45 35/14+18/45 7/14+90/45 7/70+18/45 49/14+18/45 7/98+18/45