Add 9/40 and 45/15
1st number: 9/40, 2nd number: 3 0/15
9/40 + 45/15 is 129/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 15 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 40 × 3 = 120,
9/40 = 9 × 3/40 × 3 = 27/120 - Likewise, for the 2nd fraction, since 15 × 8 = 120,
45/15 = 45 × 8/15 × 8 = 360/120 - Add the two like fractions:
27/120 + 360/120 = 27 + 360/120 = 387/120 - 387/120 simplified gives 129/40
- So, 9/40 + 45/15 = 129/40
In mixed form: 39/40
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