Add 30/45 and 2/14
30/45 + 2/14 is 17/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 45 × 14 = 630,
30/45 = 30 × 14/45 × 14 = 420/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
2/14 = 2 × 45/14 × 45 = 90/630 - Add the two like fractions:
420/630 + 90/630 = 420 + 90/630 = 510/630 - 510/630 simplified gives 17/21
- So, 30/45 + 2/14 = 17/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/45+2/14 30/45+4/14 30/90+2/14 30/45+2/28 90/45+2/14 30/45+6/14 30/45+2/42 30/45+10/14 30/45+2/70 30/45+2/98