Add 42/72 and 25/42
42/72 + 25/42 is 33/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 42 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
42/72 = 42 × 7/72 × 7 = 294/504 - Likewise, for the 2nd fraction, since 42 × 12 = 504,
25/42 = 25 × 12/42 × 12 = 300/504 - Add the two like fractions:
294/504 + 300/504 = 294 + 300/504 = 594/504 - 594/504 simplified gives 33/28
- So, 42/72 + 25/42 = 33/28
In mixed form: 15/28
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