Add 35/70 and 21/3
1st number: 35/70, 2nd number: 7 0/3
35/70 + 21/3 is 15/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 3 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
35/70 = 35 × 3/70 × 3 = 105/210 - Likewise, for the 2nd fraction, since 3 × 70 = 210,
21/3 = 21 × 70/3 × 70 = 1470/210 - Add the two like fractions:
105/210 + 1470/210 = 105 + 1470/210 = 1575/210 - 1575/210 simplified gives 15/2
- So, 35/70 + 21/3 = 15/2
In mixed form: 71/2
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