Add 30/42 and 72/70
1st number: 30/42, 2nd number: 1 2/70
30/42 + 72/70 is 61/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 42 × 5 = 210,
30/42 = 30 × 5/42 × 5 = 150/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
72/70 = 72 × 3/70 × 3 = 216/210 - Add the two like fractions:
150/210 + 216/210 = 150 + 216/210 = 366/210 - 366/210 simplified gives 61/35
- So, 30/42 + 72/70 = 61/35
In mixed form: 126/35
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