Add 84/60 and 42/80
1st number: 1 24/60, 2nd number: 42/80
84/60 + 42/80 is 77/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 60 and 80 is 240
Next, find the equivalent fraction of both fractional numbers with denominator 240 - For the 1st fraction, since 60 × 4 = 240,
84/60 = 84 × 4/60 × 4 = 336/240 - Likewise, for the 2nd fraction, since 80 × 3 = 240,
42/80 = 42 × 3/80 × 3 = 126/240 - Add the two like fractions:
336/240 + 126/240 = 336 + 126/240 = 462/240 - 462/240 simplified gives 77/40
- So, 84/60 + 42/80 = 77/40
In mixed form: 137/40
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Related: 84/60+84/80