Add 80/70 and 70/30
1st number: 1 10/70, 2nd number: 2 10/30
80/70 + 70/30 is 73/21.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
80/70 = 80 × 3/70 × 3 = 240/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
70/30 = 70 × 7/30 × 7 = 490/210 - Add the two like fractions:
240/210 + 490/210 = 240 + 490/210 = 730/210 - 730/210 simplified gives 73/21
- So, 80/70 + 70/30 = 73/21
In mixed form: 310/21
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