Answers

Add 4/84 and 70/45

1^st number: 4/84, 2^nd number: 1 25/45

4/84 + 70/45 is 101/63.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 84 and 45 is 1260
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1260
2. For the 1st fraction, since 84 × 15 = 1260,
   4/84 = 4 × 15/84 × 15 = 60/1260
3. Likewise, for the 2nd fraction, since 45 × 28 = 1260,
   70/45 = 70 × 28/45 × 28 = 1960/1260
4. Add the two like fractions:
   60/1260 + 1960/1260 = 60 + 1960/1260 = 2020/1260
5. 2020/1260 simplified gives 101/63
6. So, 4/84 + 70/45 = 101/63
   In mixed form: 138/63

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