Add 42/72 and 1/80
42/72 + 1/80 is 143/240.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 80 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 72 × 10 = 720,
42/72 = 42 × 10/72 × 10 = 420/720 - Likewise, for the 2nd fraction, since 80 × 9 = 720,
1/80 = 1 × 9/80 × 9 = 9/720 - Add the two like fractions:
420/720 + 9/720 = 420 + 9/720 = 429/720 - 429/720 simplified gives 143/240
- So, 42/72 + 1/80 = 143/240
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