Answers

Add 70/63 and 42/45

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

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

Steps for adding fractions

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

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