Answers

Add 40/63 and 1/40

40/63 + 1/40 is 1663/2520.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 40 is 2520
   
   Next, find the equivalent fraction of both fractional numbers with denominator 2520
2. For the 1st fraction, since 63 × 40 = 2520,
   40/63 = 40 × 40/63 × 40 = 1600/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   1/40 = 1 × 63/40 × 63 = 63/2520
4. Add the two like fractions:
   1600/2520 + 63/2520 = 1600 + 63/2520 = 1663/2520
5. So, 40/63 + 1/40 = 1663/2520

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