Add 36/21 and 6/80, Solve 1 15/21 + 6/80 as a fraction

Add 36/21 and 6/80

1^st number: 1 15/21, 2^nd number: 6/80

36/21 + 6/80 is 501/280.

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

Next, find the equivalent fraction of both fractional numbers with denominator 1680
For the 1st fraction, since 21 × 80 = 1680,
36/21 = 36 × 80/21 × 80 = 2880/1680
Likewise, for the 2nd fraction, since 80 × 21 = 1680,
6/80 = 6 × 21/80 × 21 = 126/1680
Add the two like fractions:
2880/1680 + 126/1680 = 2880 + 126/1680 = 3006/1680
3006/1680 simplified gives 501/280
So, 36/21 + 6/80 = 501/280
In mixed form: 1221/280

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