Add 3/80 and 42/7, Solve 3/80 + 6 0/7 as a fraction

Add 3/80 and 42/7

1^st number: 3/80, 2^nd number: 6 0/7

3/80 + 42/7 is 483/80.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 7 is 560

Next, find the equivalent fraction of both fractional numbers with denominator 560
For the 1st fraction, since 80 × 7 = 560,
3/80 = 3 × 7/80 × 7 = 21/560
Likewise, for the 2nd fraction, since 7 × 80 = 560,
42/7 = 42 × 80/7 × 80 = 3360/560
Add the two like fractions:
21/560 + 3360/560 = 21 + 3360/560 = 3381/560
3381/560 simplified gives 483/80
So, 3/80 + 42/7 = 483/80
In mixed form: 63/80

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