Add 40/28 and 14/21, Solve 1 12/28 + 14/21 as a fraction

Add 40/28 and 14/21

1^st number: 1 12/28, 2^nd number: 14/21

40/28 + 14/21 is 44/21.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 28 × 3 = 84,
40/28 = 40 × 3/28 × 3 = 120/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
14/21 = 14 × 4/21 × 4 = 56/84
Add the two like fractions:
120/84 + 56/84 = 120 + 56/84 = 176/84
176/84 simplified gives 44/21
So, 40/28 + 14/21 = 44/21
In mixed form: 22/21

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