Answers

Add 25/90 and 45/7

1^st number: 25/90, 2^nd number: 6 3/7

25/90 + 45/7 is 845/126.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 7 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   25/90 = 25 × 7/90 × 7 = 175/630
3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
   45/7 = 45 × 90/7 × 90 = 4050/630
4. Add the two like fractions:
   175/630 + 4050/630 = 175 + 4050/630 = 4225/630
5. 4225/630 simplified gives 845/126
6. So, 25/90 + 45/7 = 845/126
   In mixed form: 689/126

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