Add 3/80 and 42/72
3/80 + 42/72 is 149/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 80 and 72 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 80 × 9 = 720,
3/80 = 3 × 9/80 × 9 = 27/720 - Likewise, for the 2nd fraction, since 72 × 10 = 720,
42/72 = 42 × 10/72 × 10 = 420/720 - Add the two like fractions:
27/720 + 420/720 = 27 + 420/720 = 447/720 - 447/720 simplified gives 149/240
- So, 3/80 + 42/72 = 149/240
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