Add 45/30 and 12/40
1st number: 1 15/30, 2nd number: 12/40
45/30 + 12/40 is 9/5.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 30 × 4 = 120,
45/30 = 45 × 4/30 × 4 = 180/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
12/40 = 12 × 3/40 × 3 = 36/120 - Add the two like fractions:
180/120 + 36/120 = 180 + 36/120 = 216/120 - 216/120 simplified gives 9/5
- So, 45/30 + 12/40 = 9/5
In mixed form: 14/5
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