Add 9/20 and 90/27
1st number: 9/20, 2nd number: 3 9/27
9/20 + 90/27 is 227/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 20 and 27 is 540
Next, find the equivalent fraction of both fractional numbers with denominator 540 - For the 1st fraction, since 20 × 27 = 540,
9/20 = 9 × 27/20 × 27 = 243/540 - Likewise, for the 2nd fraction, since 27 × 20 = 540,
90/27 = 90 × 20/27 × 20 = 1800/540 - Add the two like fractions:
243/540 + 1800/540 = 243 + 1800/540 = 2043/540 - 2043/540 simplified gives 227/60
- So, 9/20 + 90/27 = 227/60
In mixed form: 347/60
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 18/20+90/27 9/40+90/27 9/20+90/54 27/20+90/27 9/60+90/27 9/20+90/81 45/20+90/27 63/20+90/27