Add 18/90 and 8/14
18/90 + 8/14 is 27/35.
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,
18/90 = 18 × 7/90 × 7 = 126/630 - Likewise, for the 2nd fraction, since 14 × 45 = 630,
8/14 = 8 × 45/14 × 45 = 360/630 - Add the two like fractions:
126/630 + 360/630 = 126 + 360/630 = 486/630 - 486/630 simplified gives 27/35
- So, 18/90 + 8/14 = 27/35
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/90+8/14 18/90+16/14 18/90+8/28 54/90+8/14 18/90+24/14 18/90+8/42 18/90+40/14 18/90+8/70 18/90+56/14 18/90+8/98