Add 4/72 and 42/50, Solve 4/72 + 42/50 as a fraction

Add 4/72 and 42/50

4/72 + 42/50 is 403/450.

Find the least common denominator or LCM of the two denominators:
LCM of 72 and 50 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 72 × 25 = 1800,
4/72 = 4 × 25/72 × 25 = 100/1800
Likewise, for the 2nd fraction, since 50 × 36 = 1800,
42/50 = 42 × 36/50 × 36 = 1512/1800
Add the two like fractions:
100/1800 + 1512/1800 = 100 + 1512/1800 = 1612/1800
1612/1800 simplified gives 403/450
So, 4/72 + 42/50 = 403/450

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