Add 80/28 and 9/40, Solve 2 24/28 + 9/40 as a fraction

Add 80/28 and 9/40

1^st number: 2 24/28, 2^nd number: 9/40

80/28 + 9/40 is 863/280.

Find the least common denominator or LCM of the two denominators:
LCM of 28 and 40 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 28 × 10 = 280,
80/28 = 80 × 10/28 × 10 = 800/280
Likewise, for the 2nd fraction, since 40 × 7 = 280,
9/40 = 9 × 7/40 × 7 = 63/280
Add the two like fractions:
800/280 + 63/280 = 800 + 63/280 = 863/280
So, 80/28 + 9/40 = 863/280
In mixed form: 323/280

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