Add 15/12 and 45/25
1st number: 1 3/12, 2nd number: 1 20/25
15/12 + 45/25 is 61/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 25 is 300
Next, find the equivalent fraction of both fractional numbers with denominator 300 - For the 1st fraction, since 12 × 25 = 300,
15/12 = 15 × 25/12 × 25 = 375/300 - Likewise, for the 2nd fraction, since 25 × 12 = 300,
45/25 = 45 × 12/25 × 12 = 540/300 - Add the two like fractions:
375/300 + 540/300 = 375 + 540/300 = 915/300 - 915/300 simplified gives 61/20
- So, 15/12 + 45/25 = 61/20
In mixed form: 31/20
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