Add 54/27 and 90/15
1st number: 2 0/27, 2nd number: 6 0/15
54/27 + 90/15 is 8/1.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 15 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 27 × 5 = 135,
54/27 = 54 × 5/27 × 5 = 270/135 - Likewise, for the 2nd fraction, since 15 × 9 = 135,
90/15 = 90 × 9/15 × 9 = 810/135 - Add the two like fractions:
270/135 + 810/135 = 270 + 810/135 = 1080/135 - 1080/135 simplified gives 8/1
- So, 54/27 + 90/15 = 8/1
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 54/27+90/30 54/81+90/15 54/27+90/45 54/27+90/75