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

Add 70/21 and 24/70

1^st number: 3 7/21, 2^nd number: 24/70

70/21 + 24/70 is 386/105.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 70 is 210

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 21 × 10 = 210,
70/21 = 70 × 10/21 × 10 = 700/210
Likewise, for the 2nd fraction, since 70 × 3 = 210,
24/70 = 24 × 3/70 × 3 = 72/210
Add the two like fractions:
700/210 + 72/210 = 700 + 72/210 = 772/210
772/210 simplified gives 386/105
So, 70/21 + 24/70 = 386/105
In mixed form: 371/105

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