Add 49/42 and 42/72
1st number: 1 7/42, 2nd number: 42/72
49/42 + 42/72 is 7/4.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 72 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 42 × 12 = 504,
49/42 = 49 × 12/42 × 12 = 588/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
42/72 = 42 × 7/72 × 7 = 294/504 - Add the two like fractions:
588/504 + 294/504 = 588 + 294/504 = 882/504 - 882/504 simplified gives 7/4
- So, 49/42 + 42/72 = 7/4
In mixed form: 13/4
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