Add 28/18 and 15/80
1st number: 1 10/18, 2nd number: 15/80
28/18 + 15/80 is 251/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 18 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 18 × 40 = 720,
28/18 = 28 × 40/18 × 40 = 1120/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
15/80 = 15 × 9/80 × 9 = 135/720 - Add the two like fractions:
1120/720 + 135/720 = 1120 + 135/720 = 1255/720 - 1255/720 simplified gives 251/144
- So, 28/18 + 15/80 = 251/144
In mixed form: 1107/144
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