Answers

Add 42/45 and 70/63

1^st number: 42/45, 2^nd number: 1 7/63

42/45 + 70/63 is 92/45.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 45 and 63 is 315
   
   Next, find the equivalent fraction of both fractional numbers with denominator 315
2. For the 1st fraction, since 45 × 7 = 315,
   42/45 = 42 × 7/45 × 7 = 294/315
3. Likewise, for the 2nd fraction, since 63 × 5 = 315,
   70/63 = 70 × 5/63 × 5 = 350/315
4. Add the two like fractions:
   294/315 + 350/315 = 294 + 350/315 = 644/315
5. 644/315 simplified gives 92/45
6. So, 42/45 + 70/63 = 92/45
   In mixed form: 22/45

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