Add 28/30 and 90/12
1st number: 28/30, 2nd number: 7 6/12
28/30 + 90/12 is 253/30.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 12 is 60
Next, find the equivalent fraction of both fractional numbers with denominator 60 - For the 1st fraction, since 30 × 2 = 60,
28/30 = 28 × 2/30 × 2 = 56/60 - Likewise, for the 2nd fraction, since 12 × 5 = 60,
90/12 = 90 × 5/12 × 5 = 450/60 - Add the two like fractions:
56/60 + 450/60 = 56 + 450/60 = 506/60 - 506/60 simplified gives 253/30
- So, 28/30 + 90/12 = 253/30
In mixed form: 813/30
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