Add 60/8 and 21/63, Solve 7 4/8 + 21/63 as a fraction

Add 60/8 and 21/63

1^st number: 7 4/8, 2^nd number: 21/63

60/8 + 21/63 is 47/6.

Find the least common denominator or LCM of the two denominators:
LCM of 8 and 63 is 504

Next, find the equivalent fraction of both fractional numbers with denominator 504
For the 1st fraction, since 8 × 63 = 504,
60/8 = 60 × 63/8 × 63 = 3780/504
Likewise, for the 2nd fraction, since 63 × 8 = 504,
21/63 = 21 × 8/63 × 8 = 168/504
Add the two like fractions:
3780/504 + 168/504 = 3780 + 168/504 = 3948/504
3948/504 simplified gives 47/6
So, 60/8 + 21/63 = 47/6
In mixed form: 75/6

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