Answers

Add 42/2 and 72/70

1^st number: 21 0/2, 2^nd number: 1 2/70

42/2 + 72/70 is 771/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 2 and 70 is 70
   
   Next, find the equivalent fraction of both fractional numbers with denominator 70
2. For the 1st fraction, since 2 × 35 = 70,
   42/2 = 42 × 35/2 × 35 = 1470/70
3. Likewise, for the 2nd fraction, since 70 × 1 = 70,
   72/70 = 72 × 1/70 × 1 = 72/70
4. Add the two like fractions:
   1470/70 + 72/70 = 1470 + 72/70 = 1542/70
5. 1542/70 simplified gives 771/35
6. So, 42/2 + 72/70 = 771/35
   In mixed form: 221/35

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