Answers

Add 21/48 and 24/70

21/48 + 24/70 is 437/560.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 48 and 70 is 1680
   
   Next, find the equivalent fraction of both fractional numbers with denominator 1680
2. For the 1st fraction, since 48 × 35 = 1680,
   21/48 = 21 × 35/48 × 35 = 735/1680
3. Likewise, for the 2nd fraction, since 70 × 24 = 1680,
   24/70 = 24 × 24/70 × 24 = 576/1680
4. Add the two like fractions:
   735/1680 + 576/1680 = 735 + 576/1680 = 1311/1680
5. 1311/1680 simplified gives 437/560
6. So, 21/48 + 24/70 = 437/560

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