Answers

Add 28/4 and 45/70

1^st number: 7 0/4, 2^nd number: 45/70

28/4 + 45/70 is 107/14.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 4 and 70 is 140
   
   Next, find the equivalent fraction of both fractional numbers with denominator 140
2. For the 1st fraction, since 4 × 35 = 140,
   28/4 = 28 × 35/4 × 35 = 980/140
3. Likewise, for the 2nd fraction, since 70 × 2 = 140,
   45/70 = 45 × 2/70 × 2 = 90/140
4. Add the two like fractions:
   980/140 + 90/140 = 980 + 90/140 = 1070/140
5. 1070/140 simplified gives 107/14
6. So, 28/4 + 45/70 = 107/14
   In mixed form: 79/14

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