Add 63/3 and 15/40
1st number: 21 0/3, 2nd number: 15/40
63/3 + 15/40 is 171/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 3 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 3 × 40 = 120,
63/3 = 63 × 40/3 × 40 = 2520/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
15/40 = 15 × 3/40 × 3 = 45/120 - Add the two like fractions:
2520/120 + 45/120 = 2520 + 45/120 = 2565/120 - 2565/120 simplified gives 171/8
- So, 63/3 + 15/40 = 171/8
In mixed form: 213/8
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