Add 75/21 and 5/10, Solve 3 12/21 + 5/10 as a fraction

Add 75/21 and 5/10

1^st number: 3 12/21, 2^nd number: 5/10

75/21 + 5/10 is 57/14.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
75/21 = 75 × 10/21 × 10 = 750/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
5/10 = 5 × 21/10 × 21 = 105/210
Add the two like fractions:
750/210 + 105/210 = 750 + 105/210 = 855/210
855/210 simplified gives 57/14
So, 75/21 + 5/10 = 57/14
In mixed form: 41/14

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