Add 21/10 and 56/15
1st number: 2 1/10, 2nd number: 3 11/15
21/10 + 56/15 is 35/6.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 15 is 30
Next, find the equivalent fraction of both fractional numbers with denominator 30 - For the 1st fraction, since 10 × 3 = 30,
21/10 = 21 × 3/10 × 3 = 63/30 - Likewise, for the 2nd fraction, since 15 × 2 = 30,
56/15 = 56 × 2/15 × 2 = 112/30 - Add the two like fractions:
63/30 + 112/30 = 63 + 112/30 = 175/30 - 175/30 simplified gives 35/6
- So, 21/10 + 56/15 = 35/6
In mixed form: 55/6
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