Add 18/49 and 54/90
18/49 + 54/90 is 237/245.
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,
18/49 = 18 × 90/49 × 90 = 1620/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
54/90 = 54 × 49/90 × 49 = 2646/4410 - Add the two like fractions:
1620/4410 + 2646/4410 = 1620 + 2646/4410 = 4266/4410 - 4266/4410 simplified gives 237/245
- So, 18/49 + 54/90 = 237/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 36/49+54/90 18/98+54/90 54/49+54/90 90/49+54/90