Answers

Add 7/30 and 6/40

7/30 + 6/40 is 23/60.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 30 and 40 is 120
   
   Next, find the equivalent fraction of both fractional numbers with denominator 120
2. For the 1st fraction, since 30 × 4 = 120,
   7/30 = 7 × 4/30 × 4 = 28/120
3. Likewise, for the 2nd fraction, since 40 × 3 = 120,
   6/40 = 6 × 3/40 × 3 = 18/120
4. Add the two like fractions:
   28/120 + 18/120 = 28 + 18/120 = 46/120
5. 46/120 simplified gives 23/60
6. So, 7/30 + 6/40 = 23/60

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