Add 21/7 and 35/10
1st number: 3 0/7, 2nd number: 3 5/10
21/7 + 35/10 is 13/2.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 10 is 70
Next, find the equivalent fraction of both fractional numbers with denominator 70 - For the 1st fraction, since 7 × 10 = 70,
21/7 = 21 × 10/7 × 10 = 210/70 - Likewise, for the 2nd fraction, since 10 × 7 = 70,
35/10 = 35 × 7/10 × 7 = 245/70 - Add the two like fractions:
210/70 + 245/70 = 210 + 245/70 = 455/70 - 455/70 simplified gives 13/2
- So, 21/7 + 35/10 = 13/2
In mixed form: 61/2
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