Add 28/80 and 42/36
1st number: 28/80, 2nd number: 1 6/36
28/80 + 42/36 is 91/60.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 36 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
28/80 = 28 × 9/80 × 9 = 252/720 - Likewise, for the 2nd fraction, since 36 × 20 = 720,
42/36 = 42 × 20/36 × 20 = 840/720 - Add the two like fractions:
252/720 + 840/720 = 252 + 840/720 = 1092/720 - 1092/720 simplified gives 91/60
- So, 28/80 + 42/36 = 91/60
In mixed form: 131/60
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