Answers

Add 50/63 and 7/90

50/63 + 7/90 is 61/70.

Steps for adding fractions

1. Find the least common denominator or LCM of the two denominators:
   LCM of 63 and 90 is 630
   
   Next, find the equivalent fraction of both fractional numbers with denominator 630
2. For the 1st fraction, since 63 × 10 = 630,
   50/63 = 50 × 10/63 × 10 = 500/630
3. Likewise, for the 2nd fraction, since 90 × 7 = 630,
   7/90 = 7 × 7/90 × 7 = 49/630
4. Add the two like fractions:
   500/630 + 49/630 = 500 + 49/630 = 549/630
5. 549/630 simplified gives 61/70
6. So, 50/63 + 7/90 = 61/70

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