Add 63/10 and 75/21
1st number: 6 3/10, 2nd number: 3 12/21
63/10 + 75/21 is 691/70.
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,
63/10 = 63 × 21/10 × 21 = 1323/210 - Likewise, for the 2nd fraction, since 21 × 10 = 210,
75/21 = 75 × 10/21 × 10 = 750/210 - Add the two like fractions:
1323/210 + 750/210 = 1323 + 750/210 = 2073/210 - 2073/210 simplified gives 691/70
- So, 63/10 + 75/21 = 691/70
In mixed form: 961/70
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