Add 5/21 and 70/49, Solve 5/21 + 1 21/49 as a fraction

Add 5/21 and 70/49

1^st number: 5/21, 2^nd number: 1 21/49

5/21 + 70/49 is 5/3.

Find the least common denominator or LCM of the two denominators:
LCM of 21 and 49 is 147

Next, find the equivalent fraction of both fractional numbers with denominator 147
For the 1st fraction, since 21 × 7 = 147,
5/21 = 5 × 7/21 × 7 = 35/147
Likewise, for the 2nd fraction, since 49 × 3 = 147,
70/49 = 70 × 3/49 × 3 = 210/147
Add the two like fractions:
35/147 + 210/147 = 35 + 210/147 = 245/147
245/147 simplified gives 5/3
So, 5/21 + 70/49 = 5/3
In mixed form: 12/3

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