Add 10/40 and 45/28, Solve 10/40 + 1 17/28 as a fraction

Add 10/40 and 45/28

1^st number: 10/40, 2^nd number: 1 17/28

10/40 + 45/28 is 13/7.

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

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 40 × 7 = 280,
10/40 = 10 × 7/40 × 7 = 70/280
Likewise, for the 2nd fraction, since 28 × 10 = 280,
45/28 = 45 × 10/28 × 10 = 450/280
Add the two like fractions:
70/280 + 450/280 = 70 + 450/280 = 520/280
520/280 simplified gives 13/7
So, 10/40 + 45/28 = 13/7
In mixed form: 16/7

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