Add 42/90 and 27/98
42/90 + 27/98 is 1091/1470.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 98 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 90 × 49 = 4410,
42/90 = 42 × 49/90 × 49 = 2058/4410 - Likewise, for the 2nd fraction, since 98 × 45 = 4410,
27/98 = 27 × 45/98 × 45 = 1215/4410 - Add the two like fractions:
2058/4410 + 1215/4410 = 2058 + 1215/4410 = 3273/4410 - 3273/4410 simplified gives 1091/1470
- So, 42/90 + 27/98 = 1091/1470
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/90+27/98 42/90+54/98 42/90+81/98