Add 12/90 and 54/28
1st number: 12/90, 2nd number: 1 26/28
12/90 + 54/28 is 433/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 28 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
12/90 = 12 × 14/90 × 14 = 168/1260 - Likewise, for the 2nd fraction, since 28 × 45 = 1260,
54/28 = 54 × 45/28 × 45 = 2430/1260 - Add the two like fractions:
168/1260 + 2430/1260 = 168 + 2430/1260 = 2598/1260 - 2598/1260 simplified gives 433/210
- So, 12/90 + 54/28 = 433/210
In mixed form: 213/210
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