Add 56/21 and 18/10
1st number: 2 14/21, 2nd number: 1 8/10
56/21 + 18/10 is 67/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 10 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 21 × 10 = 210,
56/21 = 56 × 10/21 × 10 = 560/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
18/10 = 18 × 21/10 × 21 = 378/210 - Add the two like fractions:
560/210 + 378/210 = 560 + 378/210 = 938/210 - 938/210 simplified gives 67/15
- So, 56/21 + 18/10 = 67/15
In mixed form: 47/15
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