Add 63/21 and 75/10
1st number: 3 0/21, 2nd number: 7 5/10
63/21 + 75/10 is 21/2.
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,
63/21 = 63 × 10/21 × 10 = 630/210 - Likewise, for the 2nd fraction, since 10 × 21 = 210,
75/10 = 75 × 21/10 × 21 = 1575/210 - Add the two like fractions:
630/210 + 1575/210 = 630 + 1575/210 = 2205/210 - 2205/210 simplified gives 21/2
- So, 63/21 + 75/10 = 21/2
In mixed form: 101/2
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