Answers

Add 48/21 and 42/30

1^st number: 2 6/21, 2^nd number: 1 12/30

48/21 + 42/30 is 129/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 21 and 30 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 30 × 7 = 210,
   42/30 = 42 × 7/30 × 7 = 294/210
4. Add the two like fractions:
   480/210 + 294/210 = 480 + 294/210 = 774/210
5. 774/210 simplified gives 129/35
6. So, 48/21 + 42/30 = 129/35
   In mixed form: 324/35

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