Answers

Add 10/70 and 45/72

10/70 + 45/72 is 43/56.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 70 and 72 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 70 × 36 = 2520,
   10/70 = 10 × 36/70 × 36 = 360/2520
3. Likewise, for the 2nd fraction, since 72 × 35 = 2520,
   45/72 = 45 × 35/72 × 35 = 1575/2520
4. Add the two like fractions:
   360/2520 + 1575/2520 = 360 + 1575/2520 = 1935/2520
5. 1935/2520 simplified gives 43/56
6. So, 10/70 + 45/72 = 43/56

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