Add 14/80 and 98/21, Solve 14/80 + 4 14/21 as a fraction

Add 14/80 and 98/21

1^st number: 14/80, 2^nd number: 4 14/21

14/80 + 98/21 is 581/120.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 21 is 1680

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 80 × 21 = 1680,
14/80 = 14 × 21/80 × 21 = 294/1680
Likewise, for the 2nd fraction, since 21 × 80 = 1680,
98/21 = 98 × 80/21 × 80 = 7840/1680
Add the two like fractions:
294/1680 + 7840/1680 = 294 + 7840/1680 = 8134/1680
8134/1680 simplified gives 581/120
So, 14/80 + 98/21 = 581/120
In mixed form: 4101/120

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