Add 72/54 and 81/70
1st number: 1 18/54, 2nd number: 1 11/70
72/54 + 81/70 is 523/210.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 54 and 70 is 1890
Next, find the equivalent fraction of both fractional numbers with denominator 1890 - For the 1st fraction, since 54 × 35 = 1890,
72/54 = 72 × 35/54 × 35 = 2520/1890 - Likewise, for the 2nd fraction, since 70 × 27 = 1890,
81/70 = 81 × 27/70 × 27 = 2187/1890 - Add the two like fractions:
2520/1890 + 2187/1890 = 2520 + 2187/1890 = 4707/1890 - 4707/1890 simplified gives 523/210
- So, 72/54 + 81/70 = 523/210
In mixed form: 2103/210
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