Add 42/72 and 48/9, Solve 42/72 + 5 3/9 as a fraction

Add 42/72 and 48/9

1^st number: 42/72, 2^nd number: 5 3/9

42/72 + 48/9 is 71/12.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 9 is 72

Next, find the equivalent fraction of both fractional numbers with denominator 72
For the 1st fraction, since 72 × 1 = 72,
42/72 = 42 × 1/72 × 1 = 42/72
Likewise, for the 2nd fraction, since 9 × 8 = 72,
48/9 = 48 × 8/9 × 8 = 384/72
Add the two like fractions:
42/72 + 384/72 = 42 + 384/72 = 426/72
426/72 simplified gives 71/12
So, 42/72 + 48/9 = 71/12
In mixed form: 511/12

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