Add 12/40 and 56/42, Solve 12/40 + 1 14/42 as a fraction

Add 12/40 and 56/42

1^st number: 12/40, 2^nd number: 1 14/42

12/40 + 56/42 is 49/30.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 42 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 40 × 21 = 840,
12/40 = 12 × 21/40 × 21 = 252/840
Likewise, for the 2nd fraction, since 42 × 20 = 840,
56/42 = 56 × 20/42 × 20 = 1120/840
Add the two like fractions:
252/840 + 1120/840 = 252 + 1120/840 = 1372/840
1372/840 simplified gives 49/30
So, 12/40 + 56/42 = 49/30
In mixed form: 119/30

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