Add 42/90 and 48/27
1st number: 42/90, 2nd number: 1 21/27
42/90 + 48/27 is 101/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 27 is 270
Next, find the equivalent fraction of both fractional numbers with denominator 270 - For the 1st fraction, since 90 × 3 = 270,
42/90 = 42 × 3/90 × 3 = 126/270 - Likewise, for the 2nd fraction, since 27 × 10 = 270,
48/27 = 48 × 10/27 × 10 = 480/270 - Add the two like fractions:
126/270 + 480/270 = 126 + 480/270 = 606/270 - 606/270 simplified gives 101/45
- So, 42/90 + 48/27 = 101/45
In mixed form: 211/45
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+48/27 42/90+96/27 42/90+48/54 42/90+48/81