Add 20/27 and 90/48
1st number: 20/27, 2nd number: 1 42/48
20/27 + 90/48 is 565/216.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 48 is 432
Next, find the equivalent fraction of both fractional numbers with denominator 432 - For the 1st fraction, since 27 × 16 = 432,
20/27 = 20 × 16/27 × 16 = 320/432 - Likewise, for the 2nd fraction, since 48 × 9 = 432,
90/48 = 90 × 9/48 × 9 = 810/432 - Add the two like fractions:
320/432 + 810/432 = 320 + 810/432 = 1130/432 - 1130/432 simplified gives 565/216
- So, 20/27 + 90/48 = 565/216
In mixed form: 2133/216
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 40/27+90/48 20/54+90/48 20/27+90/96 60/27+90/48 20/81+90/48