Add 15/72 and 30/25
1st number: 15/72, 2nd number: 1 5/25
15/72 + 30/25 is 169/120.
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,
30/25 = 30 × 72/25 × 72 = 2160/1800 - Add the two like fractions:
375/1800 + 2160/1800 = 375 + 2160/1800 = 2535/1800 - 2535/1800 simplified gives 169/120
- So, 15/72 + 30/25 = 169/120
In mixed form: 149/120
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