Add 80/30 and 9/56, Solve 2 20/30 + 9/56 as a fraction

Add 80/30 and 9/56

1^st number: 2 20/30, 2^nd number: 9/56

80/30 + 9/56 is 475/168.

Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840

Next, find the equivalent fraction of both fractional numbers with denominator 840
For the 1st fraction, since 30 × 28 = 840,
80/30 = 80 × 28/30 × 28 = 2240/840
Likewise, for the 2nd fraction, since 56 × 15 = 840,
9/56 = 9 × 15/56 × 15 = 135/840
Add the two like fractions:
2240/840 + 135/840 = 2240 + 135/840 = 2375/840
2375/840 simplified gives 475/168
So, 80/30 + 9/56 = 475/168
In mixed form: 2139/168

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