Add 30/12 and 7/45
1st number: 2 6/12, 2nd number: 7/45
30/12 + 7/45 is 239/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 45 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 12 × 15 = 180,
30/12 = 30 × 15/12 × 15 = 450/180 - Likewise, for the 2nd fraction, since 45 × 4 = 180,
7/45 = 7 × 4/45 × 4 = 28/180 - Add the two like fractions:
450/180 + 28/180 = 450 + 28/180 = 478/180 - 478/180 simplified gives 239/90
- So, 30/12 + 7/45 = 239/90
In mixed form: 259/90
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