Add 42/30 and 28/70
1st number: 1 12/30, 2nd number: 28/70
42/30 + 28/70 is 9/5.
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,
42/30 = 42 × 7/30 × 7 = 294/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
28/70 = 28 × 3/70 × 3 = 84/210 - Add the two like fractions:
294/210 + 84/210 = 294 + 84/210 = 378/210 - 378/210 simplified gives 9/5
- So, 42/30 + 28/70 = 9/5
In mixed form: 14/5
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