Add 15/2 and 21/35
1st number: 7 1/2, 2nd number: 21/35
15/2 + 21/35 is 81/10.
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,
15/2 = 15 × 35/2 × 35 = 525/70 - Likewise, for the 2nd fraction, since 35 × 2 = 70,
21/35 = 21 × 2/35 × 2 = 42/70 - Add the two like fractions:
525/70 + 42/70 = 525 + 42/70 = 567/70 - 567/70 simplified gives 81/10
- So, 15/2 + 21/35 = 81/10
In mixed form: 81/10
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