Add 15/25 and 4/72, Solve 15/25 + 4/72 as a fraction

Add 15/25 and 4/72

15/25 + 4/72 is 59/90.

Find the least common denominator or LCM of the two denominators:
LCM of 25 and 72 is 1800

Next, find the equivalent fraction of both fractional numbers with denominator 1800
For the 1st fraction, since 25 × 72 = 1800,
15/25 = 15 × 72/25 × 72 = 1080/1800
Likewise, for the 2nd fraction, since 72 × 25 = 1800,
4/72 = 4 × 25/72 × 25 = 100/1800
Add the two like fractions:
1080/1800 + 100/1800 = 1080 + 100/1800 = 1180/1800
1180/1800 simplified gives 59/90
So, 15/25 + 4/72 = 59/90

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