Add 42/3 and 20/70
1st number: 14 0/3, 2nd number: 20/70
42/3 + 20/70 is 100/7.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 70 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 3 × 70 = 210,
42/3 = 42 × 70/3 × 70 = 2940/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
20/70 = 20 × 3/70 × 3 = 60/210 - Add the two like fractions:
2940/210 + 60/210 = 2940 + 60/210 = 3000/210 - 3000/210 simplified gives 100/7
- So, 42/3 + 20/70 = 100/7
In mixed form: 142/7
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