Add 80/70 and 36/54
1st number: 1 10/70, 2nd number: 36/54
80/70 + 36/54 is 38/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 54 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 70 × 27 = 1890,
80/70 = 80 × 27/70 × 27 = 2160/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
36/54 = 36 × 35/54 × 35 = 1260/1890 - Add the two like fractions:
2160/1890 + 1260/1890 = 2160 + 1260/1890 = 3420/1890 - 3420/1890 simplified gives 38/21
- So, 80/70 + 36/54 = 38/21
In mixed form: 117/21
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