Add 42/30 and 20/63, Solve 1 12/30 + 20/63 as a fraction

Add 42/30 and 20/63

1^st number: 1 12/30, 2^nd number: 20/63

42/30 + 20/63 is 541/315.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 63 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 30 × 21 = 630,
42/30 = 42 × 21/30 × 21 = 882/630
Likewise, for the 2nd fraction, since 63 × 10 = 630,
20/63 = 20 × 10/63 × 10 = 200/630
Add the two like fractions:
882/630 + 200/630 = 882 + 200/630 = 1082/630
1082/630 simplified gives 541/315
So, 42/30 + 20/63 = 541/315
In mixed form: 1226/315

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