Add 70/5 and 12/42
1st number: 14 0/5, 2nd number: 12/42
70/5 + 12/42 is 100/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 5 and 42 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 5 × 42 = 210,
70/5 = 70 × 42/5 × 42 = 2940/210 - Likewise, for the 2nd fraction, since 42 × 5 = 210,
12/42 = 12 × 5/42 × 5 = 60/210 - Add the two like fractions:
2940/210 + 60/210 = 2940 + 60/210 = 3000/210 - 3000/210 simplified gives 100/7
- So, 70/5 + 12/42 = 100/7
In mixed form: 142/7
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