Add 30/90 and 2/14
30/90 + 2/14 is 10/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 14 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
30/90 = 30 × 7/90 × 7 = 210/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
2/14 = 2 × 45/14 × 45 = 90/630 - Add the two like fractions:
210/630 + 90/630 = 210 + 90/630 = 300/630 - 300/630 simplified gives 10/21
- So, 30/90 + 2/14 = 10/21
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 60/90+2/14 30/90+4/14 30/90+2/28 30/90+6/14 30/90+2/42 30/90+10/14 30/90+2/70 30/90+2/98