Add 15/80 and 80/45
1st number: 15/80, 2nd number: 1 35/45
15/80 + 80/45 is 283/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 45 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
15/80 = 15 × 9/80 × 9 = 135/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
80/45 = 80 × 16/45 × 16 = 1280/720 - Add the two like fractions:
135/720 + 1280/720 = 135 + 1280/720 = 1415/720 - 1415/720 simplified gives 283/144
- So, 15/80 + 80/45 = 283/144
In mixed form: 1139/144
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