Answers

Add 16/72 and 54/70

16/72 + 54/70 is 313/315.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 72 and 70 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 72 × 35 = 2520,
   16/72 = 16 × 35/72 × 35 = 560/2520
3. Likewise, for the 2nd fraction, since 70 × 36 = 2520,
   54/70 = 54 × 36/70 × 36 = 1944/2520
4. Add the two like fractions:
   560/2520 + 1944/2520 = 560 + 1944/2520 = 2504/2520
5. 2504/2520 simplified gives 313/315
6. So, 16/72 + 54/70 = 313/315

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