Add 21/10 and 48/21
1st number: 2 1/10, 2nd number: 2 6/21
21/10 + 48/21 is 307/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 10 and 21 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 10 × 21 = 210,
21/10 = 21 × 21/10 × 21 = 441/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
48/21 = 48 × 10/21 × 10 = 480/210 - Add the two like fractions:
441/210 + 480/210 = 441 + 480/210 = 921/210 - 921/210 simplified gives 307/70
- So, 21/10 + 48/21 = 307/70
In mixed form: 427/70
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