Add 21/3 and 10/70
1st number: 7 0/3, 2nd number: 10/70
21/3 + 10/70 is 50/7.
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,
21/3 = 21 × 70/3 × 70 = 1470/210 - Likewise, for the 2nd fraction, since 70 × 3 = 210,
10/70 = 10 × 3/70 × 3 = 30/210 - Add the two like fractions:
1470/210 + 30/210 = 1470 + 30/210 = 1500/210 - 1500/210 simplified gives 50/7
- So, 21/3 + 10/70 = 50/7
In mixed form: 71/7
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