Add 63/4 and 12/40
1st number: 15 3/4, 2nd number: 12/40
63/4 + 12/40 is 321/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 4 and 40 is 40
Next, find the equivalent fraction of both fractional numbers with denominator 40 - For the 1st fraction, since 4 × 10 = 40,
63/4 = 63 × 10/4 × 10 = 630/40 - Likewise, for the 2nd fraction, since 40 × 1 = 40,
12/40 = 12 × 1/40 × 1 = 12/40 - Add the two like fractions:
630/40 + 12/40 = 630 + 12/40 = 642/40 - 642/40 simplified gives 321/20
- So, 63/4 + 12/40 = 321/20
In mixed form: 161/20
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