Answers

Add 75/8 and 21/60

1^st number: 9 3/8, 2^nd number: 21/60

75/8 + 21/60 is 389/40.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 8 and 60 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 8 × 15 = 120,
   75/8 = 75 × 15/8 × 15 = 1125/120
3. Likewise, for the 2nd fraction, since 60 × 2 = 120,
   21/60 = 21 × 2/60 × 2 = 42/120
4. Add the two like fractions:
   1125/120 + 42/120 = 1125 + 42/120 = 1167/120
5. 1167/120 simplified gives 389/40
6. So, 75/8 + 21/60 = 389/40
   In mixed form: 929/40

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