Add 84/80 and 42/48
1st number: 1 4/80, 2nd number: 42/48
84/80 + 42/48 is 77/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 48 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 80 × 3 = 240,
84/80 = 84 × 3/80 × 3 = 252/240 - Likewise, for the 2nd fraction, since 48 × 5 = 240,
42/48 = 42 × 5/48 × 5 = 210/240 - Add the two like fractions:
252/240 + 210/240 = 252 + 210/240 = 462/240 - 462/240 simplified gives 77/40
- So, 84/80 + 42/48 = 77/40
In mixed form: 137/40
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