Add 42/30 and 30/80
1st number: 1 12/30, 2nd number: 30/80
42/30 + 30/80 is 71/40.
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,
42/30 = 42 × 8/30 × 8 = 336/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
30/80 = 30 × 3/80 × 3 = 90/240 - Add the two like fractions:
336/240 + 90/240 = 336 + 90/240 = 426/240 - 426/240 simplified gives 71/40
- So, 42/30 + 30/80 = 71/40
In mixed form: 131/40
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