Add 18/80 and 18/7, Solve 18/80 + 2 4/7 as a fraction

Add 18/80 and 18/7

1^st number: 18/80, 2^nd number: 2 4/7

18/80 + 18/7 is 783/280.

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,
18/80 = 18 × 7/80 × 7 = 126/560
Likewise, for the 2nd fraction, since 7 × 80 = 560,
18/7 = 18 × 80/7 × 80 = 1440/560
Add the two like fractions:
126/560 + 1440/560 = 126 + 1440/560 = 1566/560
1566/560 simplified gives 783/280
So, 18/80 + 18/7 = 783/280
In mixed form: 2223/280

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