Add 56/49 and 40/90
1st number: 1 7/49, 2nd number: 40/90
56/49 + 40/90 is 100/63.
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,
56/49 = 56 × 90/49 × 90 = 5040/4410 - Likewise, for the 2nd fraction, since 90 × 49 = 4410,
40/90 = 40 × 49/90 × 49 = 1960/4410 - Add the two like fractions:
5040/4410 + 1960/4410 = 5040 + 1960/4410 = 7000/4410 - 7000/4410 simplified gives 100/63
- So, 56/49 + 40/90 = 100/63
In mixed form: 137/63
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 56/49+80/90 56/98+40/90