Add 8/49 and 72/90
8/49 + 72/90 is 236/245.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 90 is 4410
Next, find the equivalent fraction of both fractional numbers with denominator 4410 - For the 1st fraction, since 49 × 90 = 4410,
8/49 = 8 × 90/49 × 90 = 720/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
72/90 = 72 × 49/90 × 49 = 3528/4410 - Add the two like fractions:
720/4410 + 3528/4410 = 720 + 3528/4410 = 4248/4410 - 4248/4410 simplified gives 236/245
- So, 8/49 + 72/90 = 236/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 16/49+72/90 8/98+72/90 24/49+72/90 40/49+72/90 56/49+72/90