Add 90/15 and 12/40
1st number: 6 0/15, 2nd number: 12/40
90/15 + 12/40 is 63/10.
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,
90/15 = 90 × 8/15 × 8 = 720/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
12/40 = 12 × 3/40 × 3 = 36/120 - Add the two like fractions:
720/120 + 36/120 = 720 + 36/120 = 756/120 - 756/120 simplified gives 63/10
- So, 90/15 + 12/40 = 63/10
In mixed form: 63/10
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