Add 40/21 and 6/10, Solve 1 19/21 + 6/10 as a fraction

Add 40/21 and 6/10

1^st number: 1 19/21, 2^nd number: 6/10

40/21 + 6/10 is 263/105.

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,
40/21 = 40 × 10/21 × 10 = 400/210
Likewise, for the 2nd fraction, since 10 × 21 = 210,
6/10 = 6 × 21/10 × 21 = 126/210
Add the two like fractions:
400/210 + 126/210 = 400 + 126/210 = 526/210
526/210 simplified gives 263/105
So, 40/21 + 6/10 = 263/105
In mixed form: 253/105

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