Add 98/70 and 18/27
1st number: 1 28/70, 2nd number: 18/27
98/70 + 18/27 is 31/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 27 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
98/70 = 98 × 27/70 × 27 = 2646/1890 - Likewise, for the 2nd fraction, since 27 × 70 = 1890,
18/27 = 18 × 70/27 × 70 = 1260/1890 - Add the two like fractions:
2646/1890 + 1260/1890 = 2646 + 1260/1890 = 3906/1890 - 3906/1890 simplified gives 31/15
- So, 98/70 + 18/27 = 31/15
In mixed form: 21/15
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