Add 12/90 and 7/4
1st number: 12/90, 2nd number: 1 3/4
12/90 + 7/4 is 113/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 4 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 90 × 2 = 180,
12/90 = 12 × 2/90 × 2 = 24/180 - Likewise, for the 2nd fraction, since 4 × 45 = 180,
7/4 = 7 × 45/4 × 45 = 315/180 - Add the two like fractions:
24/180 + 315/180 = 24 + 315/180 = 339/180 - 339/180 simplified gives 113/60
- So, 12/90 + 7/4 = 113/60
In mixed form: 153/60
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