Add 42/56 and 25/72
42/56 + 25/72 is 79/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 56 × 9 = 504,
42/56 = 42 × 9/56 × 9 = 378/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
25/72 = 25 × 7/72 × 7 = 175/504 - Add the two like fractions:
378/504 + 175/504 = 378 + 175/504 = 553/504 - 553/504 simplified gives 79/72
- So, 42/56 + 25/72 = 79/72
In mixed form: 17/72
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