Answers

Add 50/63 and 25/40

50/63 + 25/40 is 715/504.

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,
   50/63 = 50 × 40/63 × 40 = 2000/2520
3. Likewise, for the 2nd fraction, since 40 × 63 = 2520,
   25/40 = 25 × 63/40 × 63 = 1575/2520
4. Add the two like fractions:
   2000/2520 + 1575/2520 = 2000 + 1575/2520 = 3575/2520
5. 3575/2520 simplified gives 715/504
6. So, 50/63 + 25/40 = 715/504
   In mixed form: 1211/504

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