Add 30/40 and 75/63, Solve 30/40 + 1 12/63 as a fraction

Add 30/40 and 75/63

1^st number: 30/40, 2^nd number: 1 12/63

30/40 + 75/63 is 163/84.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 63 is 2520

Next, find the equivalent fraction of both fractional numbers with denominator 2520
For the 1st fraction, since 40 × 63 = 2520,
30/40 = 30 × 63/40 × 63 = 1890/2520
Likewise, for the 2nd fraction, since 63 × 40 = 2520,
75/63 = 75 × 40/63 × 40 = 3000/2520
Add the two like fractions:
1890/2520 + 3000/2520 = 1890 + 3000/2520 = 4890/2520
4890/2520 simplified gives 163/84
So, 30/40 + 75/63 = 163/84
In mixed form: 179/84

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