Add 40/4 and 7/21, Solve 10 0/4 + 7/21 as a fraction

Add 40/4 and 7/21

1^st number: 10 0/4, 2^nd number: 7/21

40/4 + 7/21 is 31/3.

Find the least common denominator or LCM of the two denominators:
LCM of 4 and 21 is 84

Next, find the equivalent fraction of both fractional numbers with denominator 84
For the 1st fraction, since 4 × 21 = 84,
40/4 = 40 × 21/4 × 21 = 840/84
Likewise, for the 2nd fraction, since 21 × 4 = 84,
7/21 = 7 × 4/21 × 4 = 28/84
Add the two like fractions:
840/84 + 28/84 = 840 + 28/84 = 868/84
868/84 simplified gives 31/3
So, 40/4 + 7/21 = 31/3
In mixed form: 101/3

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