Answers

Add 30/40 and 72/8

1^st number: 30/40, 2^nd number: 9 0/8

30/40 + 72/8 is 39/4.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 40 and 8 is 40
2. For the 1st fraction, since 40 × 1 = 40,
   30/40 = 30 × 1/40 × 1 = 30/40
3. Likewise, for the 2nd fraction, since 8 × 5 = 40,
   72/8 = 72 × 5/8 × 5 = 360/40
4. Add the two fractions:
   30/40 + 360/40 = 30 + 360/40 = 390/40
5. 390/40 simplified gives 39/4
6. So, 30/40 + 72/8 = 39/4
   In mixed form: 93/4

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