Add 63/40 and 45/3
1st number: 1 23/40, 2nd number: 15 0/3
63/40 + 45/3 is 663/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 3 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
63/40 = 63 × 3/40 × 3 = 189/120 - Likewise, for the 2nd fraction, since 3 × 40 = 120,
45/3 = 45 × 40/3 × 40 = 1800/120 - Add the two like fractions:
189/120 + 1800/120 = 189 + 1800/120 = 1989/120 - 1989/120 simplified gives 663/40
- So, 63/40 + 45/3 = 663/40
In mixed form: 1623/40
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