Add 45/27 and 28/70
1st number: 1 18/27, 2nd number: 28/70
45/27 + 28/70 is 31/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 27 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 27 × 70 = 1890,
45/27 = 45 × 70/27 × 70 = 3150/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
28/70 = 28 × 27/70 × 27 = 756/1890 - Add the two like fractions:
3150/1890 + 756/1890 = 3150 + 756/1890 = 3906/1890 - 3906/1890 simplified gives 31/15
- So, 45/27 + 28/70 = 31/15
In mixed form: 21/15
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