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

Add 1/21 and 70/49

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

1/21 + 70/49 is 31/21.

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,
1/21 = 1 × 7/21 × 7 = 7/147
Likewise, for the 2nd fraction, since 49 × 3 = 147,
70/49 = 70 × 3/49 × 3 = 210/147
Add the two like fractions:
7/147 + 210/147 = 7 + 210/147 = 217/147
217/147 simplified gives 31/21
So, 1/21 + 70/49 = 31/21
In mixed form: 110/21

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