Add 15/72 and 21/25
15/72 + 21/25 is 629/600.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 25 is 1800
Next, find the equivalent fraction of both fractional numbers with denominator 1800 - For the 1st fraction, since 72 × 25 = 1800,
15/72 = 15 × 25/72 × 25 = 375/1800 - Likewise, for the 2nd fraction, since 25 × 72 = 1800,
21/25 = 21 × 72/25 × 72 = 1512/1800 - Add the two like fractions:
375/1800 + 1512/1800 = 375 + 1512/1800 = 1887/1800 - 1887/1800 simplified gives 629/600
- So, 15/72 + 21/25 = 629/600
In mixed form: 129/600
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