Add 84/30 and 42/80
1st number: 2 24/30, 2nd number: 42/80
84/30 + 42/80 is 133/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 30 × 8 = 240,
84/30 = 84 × 8/30 × 8 = 672/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Add the two like fractions:
672/240 + 126/240 = 672 + 126/240 = 798/240 - 798/240 simplified gives 133/40
- So, 84/30 + 42/80 = 133/40
In mixed form: 313/40
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