Add 3/49 and 21/80, Solve 3/49 + 21/80 as a fraction

Add 3/49 and 21/80

3/49 + 21/80 is 1269/3920.

Find the least common denominator or LCM of the two denominators:
LCM of 49 and 80 is 3920

Next, find the equivalent fraction of both fractional numbers with denominator 3920
For the 1st fraction, since 49 × 80 = 3920,
3/49 = 3 × 80/49 × 80 = 240/3920
Likewise, for the 2nd fraction, since 80 × 49 = 3920,
21/80 = 21 × 49/80 × 49 = 1029/3920
Add the two like fractions:
240/3920 + 1029/3920 = 240 + 1029/3920 = 1269/3920
So, 3/49 + 21/80 = 1269/3920

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