Add 42/90 and 14/27
42/90 + 14/27 is 133/135.
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,
14/27 = 14 × 10/27 × 10 = 140/270 - Add the two like fractions:
126/270 + 140/270 = 126 + 140/270 = 266/270 - 266/270 simplified gives 133/135
- So, 42/90 + 14/27 = 133/135
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+14/27 42/90+28/27 42/90+14/54 42/90+42/27 42/90+14/81 42/90+70/27 42/90+98/27