Add 25/20 and 12/63, Solve 1 5/20 + 12/63 as a fraction

Add 25/20 and 12/63

1^st number: 1 5/20, 2^nd number: 12/63

25/20 + 12/63 is 121/84.

Find the least common denominator or LCM of the two denominators:
LCM of 20 and 63 is 1260

Next, find the equivalent fraction of both fractional numbers with denominator 1260
For the 1st fraction, since 20 × 63 = 1260,
25/20 = 25 × 63/20 × 63 = 1575/1260
Likewise, for the 2nd fraction, since 63 × 20 = 1260,
12/63 = 12 × 20/63 × 20 = 240/1260
Add the two like fractions:
1575/1260 + 240/1260 = 1575 + 240/1260 = 1815/1260
1815/1260 simplified gives 121/84
So, 25/20 + 12/63 = 121/84
In mixed form: 137/84

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