Add 70/21 and 12/24, Solve 3 7/21 + 12/24 as a fraction

Add 70/21 and 12/24

1^st number: 3 7/21, 2^nd number: 12/24

70/21 + 12/24 is 23/6.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 24 is 168

Next, find the equivalent fraction of both fractional numbers with denominator 168
For the 1st fraction, since 21 × 8 = 168,
70/21 = 70 × 8/21 × 8 = 560/168
Likewise, for the 2nd fraction, since 24 × 7 = 168,
12/24 = 12 × 7/24 × 7 = 84/168
Add the two like fractions:
560/168 + 84/168 = 560 + 84/168 = 644/168
644/168 simplified gives 23/6
So, 70/21 + 12/24 = 23/6
In mixed form: 35/6

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