Add 30/80 and 9/7, Solve 30/80 + 1 2/7 as a fraction

Add 30/80 and 9/7

1^st number: 30/80, 2^nd number: 1 2/7

30/80 + 9/7 is 93/56.

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,
30/80 = 30 × 7/80 × 7 = 210/560
Likewise, for the 2nd fraction, since 7 × 80 = 560,
9/7 = 9 × 80/7 × 80 = 720/560
Add the two like fractions:
210/560 + 720/560 = 210 + 720/560 = 930/560
930/560 simplified gives 93/56
So, 30/80 + 9/7 = 93/56
In mixed form: 137/56

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