Add 3/80 and 56/35, Solve 3/80 + 1 21/35 as a fraction

Add 3/80 and 56/35

1^st number: 3/80, 2^nd number: 1 21/35

3/80 + 56/35 is 131/80.

Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 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 35 × 16 = 560,
56/35 = 56 × 16/35 × 16 = 896/560
Add the two like fractions:
21/560 + 896/560 = 21 + 896/560 = 917/560
917/560 simplified gives 131/80
So, 3/80 + 56/35 = 131/80
In mixed form: 151/80

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