Answers

Add 63/56 and 90/60

1^st number: 1 7/56, 2^nd number: 1 30/60

63/56 + 90/60 is 21/8.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 56 and 60 is 840
   
   Next, find the equivalent fraction of both fractional numbers with denominator 840
2. For the 1st fraction, since 56 × 15 = 840,
   63/56 = 63 × 15/56 × 15 = 945/840
3. Likewise, for the 2nd fraction, since 60 × 14 = 840,
   90/60 = 90 × 14/60 × 14 = 1260/840
4. Add the two like fractions:
   945/840 + 1260/840 = 945 + 1260/840 = 2205/840
5. 2205/840 simplified gives 21/8
6. So, 63/56 + 90/60 = 21/8
   In mixed form: 25/8

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