Add 70/60 and 4/81
1st number: 1 10/60, 2nd number: 4/81
70/60 + 4/81 is 197/162.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 81 is 1620
Next, find the equivalent fraction of both fractional numbers with denominator 1620 - For the 1st fraction, since 60 × 27 = 1620,
70/60 = 70 × 27/60 × 27 = 1890/1620 - Likewise, for the 2nd fraction, since 81 × 20 = 1620,
4/81 = 4 × 20/81 × 20 = 80/1620 - Add the two like fractions:
1890/1620 + 80/1620 = 1890 + 80/1620 = 1970/1620 - 1970/1620 simplified gives 197/162
- So, 70/60 + 4/81 = 197/162
In mixed form: 135/162
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