Add 30/27 and 81/70
1st number: 1 3/27, 2nd number: 1 11/70
30/27 + 81/70 is 1429/630.
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,
30/27 = 30 × 70/27 × 70 = 2100/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
81/70 = 81 × 27/70 × 27 = 2187/1890 - Add the two like fractions:
2100/1890 + 2187/1890 = 2100 + 2187/1890 = 4287/1890 - 4287/1890 simplified gives 1429/630
- So, 30/27 + 81/70 = 1429/630
In mixed form: 2169/630
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