Add 25/21 and 56/12, Solve 1 4/21 + 4 8/12 as a fraction

Add 25/21 and 56/12

1^st number: 1 4/21, 2^nd number: 4 8/12

25/21 + 56/12 is 41/7.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 12 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 21 × 4 = 84,
25/21 = 25 × 4/21 × 4 = 100/84
Likewise, for the 2nd fraction, since 12 × 7 = 84,
56/12 = 56 × 7/12 × 7 = 392/84
Add the two like fractions:
100/84 + 392/84 = 100 + 392/84 = 492/84
492/84 simplified gives 41/7
So, 25/21 + 56/12 = 41/7
In mixed form: 56/7

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