Add 81/49 and 54/90
1st number: 1 32/49, 2nd number: 54/90
81/49 + 54/90 is 552/245.
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,
81/49 = 81 × 90/49 × 90 = 7290/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
54/90 = 54 × 49/90 × 49 = 2646/4410 - Add the two like fractions:
7290/4410 + 2646/4410 = 7290 + 2646/4410 = 9936/4410 - 9936/4410 simplified gives 552/245
- So, 81/49 + 54/90 = 552/245
In mixed form: 262/245
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 81/98+54/90