Add 7/14 and 25/90
7/14 + 25/90 is 7/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 14 and 90 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 90 × 7 = 630,
25/90 = 25 × 7/90 × 7 = 175/630 - Add the two like fractions:
315/630 + 175/630 = 315 + 175/630 = 490/630 - 490/630 simplified gives 7/9
- So, 7/14 + 25/90 = 7/9
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 7/14+50/90 7/28+25/90 21/14+25/90 7/14+75/90 7/42+25/90 35/14+25/90 7/70+25/90 49/14+25/90 7/98+25/90