Add 90/12 and 1/30
1st number: 7 6/12, 2nd number: 1/30
90/12 + 1/30 is 113/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 30 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Likewise, for the 2nd fraction, since 30 × 2 = 60,
1/30 = 1 × 2/30 × 2 = 2/60 - Add the two like fractions:
450/60 + 2/60 = 450 + 2/60 = 452/60 - 452/60 simplified gives 113/15
- So, 90/12 + 1/30 = 113/15
In mixed form: 78/15
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