Answers

Add 63/90 and 60/7

1^st number: 63/90, 2^nd number: 8 4/7

63/90 + 60/7 is 649/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 90 and 7 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 90 × 7 = 630,
   63/90 = 63 × 7/90 × 7 = 441/630
3. Likewise, for the 2nd fraction, since 7 × 90 = 630,
   60/7 = 60 × 90/7 × 90 = 5400/630
4. Add the two like fractions:
   441/630 + 5400/630 = 441 + 5400/630 = 5841/630
5. 5841/630 simplified gives 649/70
6. So, 63/90 + 60/7 = 649/70
   In mixed form: 919/70

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