Add 70/25 and 42/12, Solve 2 20/25 + 3 6/12 as a fraction

Add 70/25 and 42/12

1^st number: 2 20/25, 2^nd number: 3 6/12

70/25 + 42/12 is 63/10.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 12 is 300

Next, find the equivalent fraction of both fractional numbers with denominator 300
For the 1st fraction, since 25 × 12 = 300,
70/25 = 70 × 12/25 × 12 = 840/300
Likewise, for the 2nd fraction, since 12 × 25 = 300,
42/12 = 42 × 25/12 × 25 = 1050/300
Add the two like fractions:
840/300 + 1050/300 = 840 + 1050/300 = 1890/300
1890/300 simplified gives 63/10
So, 70/25 + 42/12 = 63/10
In mixed form: 63/10

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