Add 81/54 and 70/35
1st number: 1 27/54, 2nd number: 2 0/35
81/54 + 70/35 is 7/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 35 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
81/54 = 81 × 35/54 × 35 = 2835/1890 - Likewise, for the 2nd fraction, since 35 × 54 = 1890,
70/35 = 70 × 54/35 × 54 = 3780/1890 - Add the two like fractions:
2835/1890 + 3780/1890 = 2835 + 3780/1890 = 6615/1890 - 6615/1890 simplified gives 7/2
- So, 81/54 + 70/35 = 7/2
In mixed form: 31/2
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