Add 24/21 and 40/63
1st number: 1 3/21, 2nd number: 40/63
24/21 + 40/63 is 16/9.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 21 and 63 is 63
Next, find the equivalent fraction of both fractional numbers with denominator 63 - For the 1st fraction, since 21 × 3 = 63,
24/21 = 24 × 3/21 × 3 = 72/63 - Likewise, for the 2nd fraction, since 63 × 1 = 63,
40/63 = 40 × 1/63 × 1 = 40/63 - Add the two like fractions:
72/63 + 40/63 = 72 + 40/63 = 112/63 - 112/63 simplified gives 16/9
- So, 24/21 + 40/63 = 16/9
In mixed form: 17/9
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