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

Add 70/49 and 21/70

1^st number: 1 21/49, 2^nd number: 21/70

70/49 + 21/70 is 121/70.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 70 is 490

Next, find the equivalent fraction of both fractional numbers with denominator 490
For the 1st fraction, since 49 × 10 = 490,
70/49 = 70 × 10/49 × 10 = 700/490
Likewise, for the 2nd fraction, since 70 × 7 = 490,
21/70 = 21 × 7/70 × 7 = 147/490
Add the two like fractions:
700/490 + 147/490 = 700 + 147/490 = 847/490
847/490 simplified gives 121/70
So, 70/49 + 21/70 = 121/70
In mixed form: 151/70

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