Answers

Add 42/98 and 45/25

1^st number: 42/98, 2^nd number: 1 20/25

42/98 + 45/25 is 78/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 98 and 25 is 2450
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2450
2. For the 1st fraction, since 98 × 25 = 2450,
   42/98 = 42 × 25/98 × 25 = 1050/2450
3. Likewise, for the 2nd fraction, since 25 × 98 = 2450,
   45/25 = 45 × 98/25 × 98 = 4410/2450
4. Add the two like fractions:
   1050/2450 + 4410/2450 = 1050 + 4410/2450 = 5460/2450
5. 5460/2450 simplified gives 78/35
6. So, 42/98 + 45/25 = 78/35
   In mixed form: 28/35

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