Add 12/80 and 42/30
1st number: 12/80, 2nd number: 1 12/30
12/80 + 42/30 is 31/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 30 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
12/80 = 12 × 3/80 × 3 = 36/240 - Likewise, for the 2nd fraction, since 30 × 8 = 240,
42/30 = 42 × 8/30 × 8 = 336/240 - Add the two like fractions:
36/240 + 336/240 = 36 + 336/240 = 372/240 - 372/240 simplified gives 31/20
- So, 12/80 + 42/30 = 31/20
In mixed form: 111/20
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