Add 42/6 and 21/80
1st number: 7 0/6, 2nd number: 21/80
42/6 + 21/80 is 581/80.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 6 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 6 × 40 = 240,
42/6 = 42 × 40/6 × 40 = 1680/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
21/80 = 21 × 3/80 × 3 = 63/240 - Add the two like fractions:
1680/240 + 63/240 = 1680 + 63/240 = 1743/240 - 1743/240 simplified gives 581/80
- So, 42/6 + 21/80 = 581/80
In mixed form: 721/80
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