Answers

Add 48/21 and 63/70

1^st number: 2 6/21, 2^nd number: 63/70

48/21 + 63/70 is 223/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 70 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 21 × 10 = 210,
   48/21 = 48 × 10/21 × 10 = 480/210
3. Likewise, for the 2nd fraction, since 70 × 3 = 210,
   63/70 = 63 × 3/70 × 3 = 189/210
4. Add the two like fractions:
   480/210 + 189/210 = 480 + 189/210 = 669/210
5. 669/210 simplified gives 223/70
6. So, 48/21 + 63/70 = 223/70
   In mixed form: 313/70

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