Add 72/27 and 81/70
1st number: 2 18/27, 2nd number: 1 11/70
72/27 + 81/70 is 803/210.
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,
72/27 = 72 × 70/27 × 70 = 5040/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
81/70 = 81 × 27/70 × 27 = 2187/1890 - Add the two like fractions:
5040/1890 + 2187/1890 = 5040 + 2187/1890 = 7227/1890 - 7227/1890 simplified gives 803/210
- So, 72/27 + 81/70 = 803/210
In mixed form: 3173/210
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