Add 42/45 and 4/27
42/45 + 4/27 is 146/135.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 27 is 135
Next, find the equivalent fraction of both fractional numbers with denominator 135 - For the 1st fraction, since 45 × 3 = 135,
42/45 = 42 × 3/45 × 3 = 126/135 - Likewise, for the 2nd fraction, since 27 × 5 = 135,
4/27 = 4 × 5/27 × 5 = 20/135 - Add the two like fractions:
126/135 + 20/135 = 126 + 20/135 = 146/135 - So, 42/45 + 4/27 = 146/135
In mixed form: 111/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/45+4/27 42/45+8/27 42/90+4/27 42/45+4/54 42/45+12/27 42/45+4/81 42/45+20/27 42/45+28/27