Answers

Add 48/30 and 90/21

1^st number: 1 18/30, 2^nd number: 4 6/21

48/30 + 90/21 is 206/35.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 21 is 210
   
   Next, find the equivalent fraction of both fractional numbers with denominator 210
2. For the 1st fraction, since 30 × 7 = 210,
   48/30 = 48 × 7/30 × 7 = 336/210
3. Likewise, for the 2nd fraction, since 21 × 10 = 210,
   90/21 = 90 × 10/21 × 10 = 900/210
4. Add the two like fractions:
   336/210 + 900/210 = 336 + 900/210 = 1236/210
5. 1236/210 simplified gives 206/35
6. So, 48/30 + 90/21 = 206/35
   In mixed form: 531/35

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