Add 3/70 and 84/21, Solve 3/70 + 4 0/21 as a fraction

Add 3/70 and 84/21

1^st number: 3/70, 2^nd number: 4 0/21

3/70 + 84/21 is 283/70.

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

Next, find the equivalent fraction of both fractional numbers with denominator 210
For the 1st fraction, since 70 × 3 = 210,
3/70 = 3 × 3/70 × 3 = 9/210
Likewise, for the 2nd fraction, since 21 × 10 = 210,
84/21 = 84 × 10/21 × 10 = 840/210
Add the two like fractions:
9/210 + 840/210 = 9 + 840/210 = 849/210
849/210 simplified gives 283/70
So, 3/70 + 84/21 = 283/70
In mixed form: 43/70

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