Add 80/30 and 12/70
1st number: 2 20/30, 2nd number: 12/70
80/30 + 12/70 is 298/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 30 × 7 = 210,
80/30 = 80 × 7/30 × 7 = 560/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
12/70 = 12 × 3/70 × 3 = 36/210 - Add the two like fractions:
560/210 + 36/210 = 560 + 36/210 = 596/210 - 596/210 simplified gives 298/105
- So, 80/30 + 12/70 = 298/105
In mixed form: 288/105
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