Add 40/12 and 48/40
1st number: 3 4/12, 2nd number: 1 8/40
40/12 + 48/40 is 68/15.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 12 and 40 is 120
Next, find the equivalent fraction of both fractional numbers with denominator 120 - For the 1st fraction, since 12 × 10 = 120,
40/12 = 40 × 10/12 × 10 = 400/120 - Likewise, for the 2nd fraction, since 40 × 3 = 120,
48/40 = 48 × 3/40 × 3 = 144/120 - Add the two like fractions:
400/120 + 144/120 = 400 + 144/120 = 544/120 - 544/120 simplified gives 68/15
- So, 40/12 + 48/40 = 68/15
In mixed form: 48/15
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