Answers

Add 60/28 and 21/40

1^st number: 2 4/28, 2^nd number: 21/40

60/28 + 21/40 is 747/280.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 28 and 40 is 280
   
   Next, find the equivalent fraction of both fractional numbers with denominator 280
2. For the 1st fraction, since 28 × 10 = 280,
   60/28 = 60 × 10/28 × 10 = 600/280
3. Likewise, for the 2nd fraction, since 40 × 7 = 280,
   21/40 = 21 × 7/40 × 7 = 147/280
4. Add the two like fractions:
   600/280 + 147/280 = 600 + 147/280 = 747/280
5. So, 60/28 + 21/40 = 747/280
   In mixed form: 2187/280

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