Answers

Add 90/45 and 90/56

1^st number: 2 0/45, 2^nd number: 1 34/56

90/45 + 90/56 is 101/28.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 56 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 45 × 56 = 2520,
   90/45 = 90 × 56/45 × 56 = 5040/2520
3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
   90/56 = 90 × 45/56 × 45 = 4050/2520
4. Add the two like fractions:
   5040/2520 + 4050/2520 = 5040 + 4050/2520 = 9090/2520
5. 9090/2520 simplified gives 101/28
6. So, 90/45 + 90/56 = 101/28
   In mixed form: 317/28

MathStep (Works offline)

Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad

Related:

Add Fractions Calculator