Add 40/45 and 54/14, Solve 40/45 + 3 12/14 as a fraction

Add 40/45 and 54/14

1^st number: 40/45, 2^nd number: 3 12/14

40/45 + 54/14 is 299/63.

Find the least common denominator or LCM of the two denominators:
LCM of 45 and 14 is 630

Next, find the equivalent fraction of both fractional numbers with denominator 630
For the 1st fraction, since 45 × 14 = 630,
40/45 = 40 × 14/45 × 14 = 560/630
Likewise, for the 2nd fraction, since 14 × 45 = 630,
54/14 = 54 × 45/14 × 45 = 2430/630
Add the two like fractions:
560/630 + 2430/630 = 560 + 2430/630 = 2990/630
2990/630 simplified gives 299/63
So, 40/45 + 54/14 = 299/63
In mixed form: 447/63

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