Add 42/27 and 4/20, Solve 1 15/27 + 4/20 as a fraction

Add 42/27 and 4/20

1^st number: 1 15/27, 2^nd number: 4/20

42/27 + 4/20 is 79/45.

Find the least common denominator or LCM of the two denominators:
LCM of 27 and 20 is 540

Next, find the equivalent fraction of both fractional numbers with denominator 540
For the 1st fraction, since 27 × 20 = 540,
42/27 = 42 × 20/27 × 20 = 840/540
Likewise, for the 2nd fraction, since 20 × 27 = 540,
4/20 = 4 × 27/20 × 27 = 108/540
Add the two like fractions:
840/540 + 108/540 = 840 + 108/540 = 948/540
948/540 simplified gives 79/45
So, 42/27 + 4/20 = 79/45
In mixed form: 134/45

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