Add 12/80 and 42/35
1st number: 12/80, 2nd number: 1 7/35
12/80 + 42/35 is 27/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 35 is 560
Next, find the equivalent fraction of both fractional numbers with denominator 560 - For the 1st fraction, since 80 × 7 = 560,
12/80 = 12 × 7/80 × 7 = 84/560 - Likewise, for the 2nd fraction, since 35 × 16 = 560,
42/35 = 42 × 16/35 × 16 = 672/560 - Add the two like fractions:
84/560 + 672/560 = 84 + 672/560 = 756/560 - 756/560 simplified gives 27/20
- So, 12/80 + 42/35 = 27/20
In mixed form: 17/20
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