Answers

Add 45/70 and 60/4

1^st number: 45/70, 2^nd number: 15 0/4

45/70 + 60/4 is 219/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 4 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 70 × 2 = 140,
   45/70 = 45 × 2/70 × 2 = 90/140
3. Likewise, for the 2nd fraction, since 4 × 35 = 140,
   60/4 = 60 × 35/4 × 35 = 2100/140
4. Add the two like fractions:
   90/140 + 2100/140 = 90 + 2100/140 = 2190/140
5. 2190/140 simplified gives 219/14
6. So, 45/70 + 60/4 = 219/14
   In mixed form: 159/14

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