Add 7/27 and 8/90
7/27 + 8/90 is 47/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 90 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 27 × 10 = 270,
7/27 = 7 × 10/27 × 10 = 70/270 - Likewise, for the 2nd fraction, since 90 × 3 = 270,
8/90 = 8 × 3/90 × 3 = 24/270 - Add the two like fractions:
70/270 + 24/270 = 70 + 24/270 = 94/270 - 94/270 simplified gives 47/135
- So, 7/27 + 8/90 = 47/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 14/27+8/90 7/27+16/90 7/54+8/90 21/27+8/90 7/27+24/90 7/81+8/90 35/27+8/90 7/27+40/90 49/27+8/90 7/27+56/90