Add 12/80 and 21/45
12/80 + 21/45 is 37/60.
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,
12/80 = 12 × 9/80 × 9 = 108/720 - Likewise, for the 2nd fraction, since 45 × 16 = 720,
21/45 = 21 × 16/45 × 16 = 336/720 - Add the two like fractions:
108/720 + 336/720 = 108 + 336/720 = 444/720 - 444/720 simplified gives 37/60
- So, 12/80 + 21/45 = 37/60
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