Add 15/45 and 25/4
1st number: 15/45, 2nd number: 6 1/4
15/45 + 25/4 is 79/12.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 45 × 4 = 180,
15/45 = 15 × 4/45 × 4 = 60/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
25/4 = 25 × 45/4 × 45 = 1125/180 - Add the two like fractions:
60/180 + 1125/180 = 60 + 1125/180 = 1185/180 - 1185/180 simplified gives 79/12
- So, 15/45 + 25/4 = 79/12
In mixed form: 67/12
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