Add 42/30 and 72/42
1st number: 1 12/30, 2nd number: 1 30/42
42/30 + 72/42 is 109/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 42 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 42 × 5 = 210,
72/42 = 72 × 5/42 × 5 = 360/210 - Add the two like fractions:
294/210 + 360/210 = 294 + 360/210 = 654/210 - 654/210 simplified gives 109/35
- So, 42/30 + 72/42 = 109/35
In mixed form: 34/35
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