Add 75/70 and 12/30
1st number: 1 5/70, 2nd number: 12/30
75/70 + 12/30 is 103/70.
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,
75/70 = 75 × 3/70 × 3 = 225/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
12/30 = 12 × 7/30 × 7 = 84/210 - Add the two like fractions:
225/210 + 84/210 = 225 + 84/210 = 309/210 - 309/210 simplified gives 103/70
- So, 75/70 + 12/30 = 103/70
In mixed form: 133/70
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