Add 9/72 and 42/14
1st number: 9/72, 2nd number: 3 0/14
9/72 + 42/14 is 25/8.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 72 and 14 is 504
Next, find the equivalent fraction of both fractional numbers with denominator 504 - For the 1st fraction, since 72 × 7 = 504,
9/72 = 9 × 7/72 × 7 = 63/504 - Likewise, for the 2nd fraction, since 14 × 36 = 504,
42/14 = 42 × 36/14 × 36 = 1512/504 - Add the two like fractions:
63/504 + 1512/504 = 63 + 1512/504 = 1575/504 - 1575/504 simplified gives 25/8
- So, 9/72 + 42/14 = 25/8
In mixed form: 31/8
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