Add 7/2 and 21/35
1st number: 3 1/2, 2nd number: 21/35
7/2 + 21/35 is 41/10.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 2 and 35 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 2 × 35 = 70,
7/2 = 7 × 35/2 × 35 = 245/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
21/35 = 21 × 2/35 × 2 = 42/70 - Add the two like fractions:
245/70 + 42/70 = 245 + 42/70 = 287/70 - 287/70 simplified gives 41/10
- So, 7/2 + 21/35 = 41/10
In mixed form: 41/10
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