Add 3/90 and 90/12
1st number: 3/90, 2nd number: 7 6/12
3/90 + 90/12 is 113/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 12 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
3/90 = 3 × 2/90 × 2 = 6/180 - Likewise, for the 2nd fraction, since 12 × 15 = 180,
90/12 = 90 × 15/12 × 15 = 1350/180 - Add the two like fractions:
6/180 + 1350/180 = 6 + 1350/180 = 1356/180 - 1356/180 simplified gives 113/15
- So, 3/90 + 90/12 = 113/15
In mixed form: 78/15
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