Add 7/70 and 84/54
1st number: 7/70, 2nd number: 1 30/54
7/70 + 84/54 is 149/90.
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,
7/70 = 7 × 27/70 × 27 = 189/1890 - Likewise, for the 2nd fraction, since 54 × 35 = 1890,
84/54 = 84 × 35/54 × 35 = 2940/1890 - Add the two like fractions:
189/1890 + 2940/1890 = 189 + 2940/1890 = 3129/1890 - 3129/1890 simplified gives 149/90
- So, 7/70 + 84/54 = 149/90
In mixed form: 159/90
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