Add 80/70 and 42/54
1st number: 1 10/70, 2nd number: 42/54
80/70 + 42/54 is 121/63.
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,
42/54 = 42 × 35/54 × 35 = 1470/1890 - Add the two like fractions:
2160/1890 + 1470/1890 = 2160 + 1470/1890 = 3630/1890 - 3630/1890 simplified gives 121/63
- So, 80/70 + 42/54 = 121/63
In mixed form: 158/63
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