Add 1/30 and 70/42
1st number: 1/30, 2nd number: 1 28/42
1/30 + 70/42 is 17/10.
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,
1/30 = 1 × 7/30 × 7 = 7/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
70/42 = 70 × 5/42 × 5 = 350/210 - Add the two like fractions:
7/210 + 350/210 = 7 + 350/210 = 357/210 - 357/210 simplified gives 17/10
- So, 1/30 + 70/42 = 17/10
In mixed form: 17/10
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