Add 48/63 and 81/60, Solve 48/63 + 1 21/60 as a fraction

Add 48/63 and 81/60

1^st number: 48/63, 2^nd number: 1 21/60

48/63 + 81/60 is 887/420.

Find the least common denominator or LCM of the two denominators:
LCM of 63 and 60 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 63 × 20 = 1260,
48/63 = 48 × 20/63 × 20 = 960/1260
Likewise, for the 2nd fraction, since 60 × 21 = 1260,
81/60 = 81 × 21/60 × 21 = 1701/1260
Add the two like fractions:
960/1260 + 1701/1260 = 960 + 1701/1260 = 2661/1260
2661/1260 simplified gives 887/420
So, 48/63 + 81/60 = 887/420
In mixed form: 247/420

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