Add 9/40 and 45/7, Solve 9/40 + 6 3/7 as a fraction

Add 9/40 and 45/7

1^st number: 9/40, 2^nd number: 6 3/7

9/40 + 45/7 is 1863/280.

Find the least common denominator or LCM of the two denominators:
LCM of 40 and 7 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 40 × 7 = 280,
9/40 = 9 × 7/40 × 7 = 63/280
Likewise, for the 2nd fraction, since 7 × 40 = 280,
45/7 = 45 × 40/7 × 40 = 1800/280
Add the two like fractions:
63/280 + 1800/280 = 63 + 1800/280 = 1863/280
So, 9/40 + 45/7 = 1863/280
In mixed form: 6183/280

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