Add 15/14 and 27/40, Solve 1 1/14 + 27/40 as a fraction

Add 15/14 and 27/40

1^st number: 1 1/14, 2^nd number: 27/40

15/14 + 27/40 is 489/280.

Find the least common denominator or LCM of the two denominators:
LCM of 14 and 40 is 280

Next, find the equivalent fraction of both fractional numbers with denominator 280
For the 1st fraction, since 14 × 20 = 280,
15/14 = 15 × 20/14 × 20 = 300/280
Likewise, for the 2nd fraction, since 40 × 7 = 280,
27/40 = 27 × 7/40 × 7 = 189/280
Add the two like fractions:
300/280 + 189/280 = 300 + 189/280 = 489/280
So, 15/14 + 27/40 = 489/280
In mixed form: 1209/280

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