Answers

Add 7/45 and 90/56

1^st number: 7/45, 2^nd number: 1 34/56

7/45 + 90/56 is 2221/1260.

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,
   7/45 = 7 × 56/45 × 56 = 392/2520
3. Likewise, for the 2nd fraction, since 56 × 45 = 2520,
   90/56 = 90 × 45/56 × 45 = 4050/2520
4. Add the two like fractions:
   392/2520 + 4050/2520 = 392 + 4050/2520 = 4442/2520
5. 4442/2520 simplified gives 2221/1260
6. So, 7/45 + 90/56 = 2221/1260
   In mixed form: 1961/1260

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