Add 42/27 and 9/35, Solve 1 15/27 + 9/35 as a fraction

Add 42/27 and 9/35

1^st number: 1 15/27, 2^nd number: 9/35

42/27 + 9/35 is 571/315.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 35 is 945

Next, find the equivalent fraction of both fractional numbers with denominator 945
For the 1st fraction, since 27 × 35 = 945,
42/27 = 42 × 35/27 × 35 = 1470/945
Likewise, for the 2nd fraction, since 35 × 27 = 945,
9/35 = 9 × 27/35 × 27 = 243/945
Add the two like fractions:
1470/945 + 243/945 = 1470 + 243/945 = 1713/945
1713/945 simplified gives 571/315
So, 42/27 + 9/35 = 571/315
In mixed form: 1256/315

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