Add 63/15 and 90/40
1st number: 4 3/15, 2nd number: 2 10/40
63/15 + 90/40 is 129/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 15 × 8 = 120,
63/15 = 63 × 8/15 × 8 = 504/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
90/40 = 90 × 3/40 × 3 = 270/120 - Add the two like fractions:
504/120 + 270/120 = 504 + 270/120 = 774/120 - 774/120 simplified gives 129/20
- So, 63/15 + 90/40 = 129/20
In mixed form: 69/20
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