Add 98/42 and 90/72
1st number: 2 14/42, 2nd number: 1 18/72
98/42 + 90/72 is 43/12.
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,
98/42 = 98 × 12/42 × 12 = 1176/504 - Likewise, for the 2nd fraction, since 72 × 7 = 504,
90/72 = 90 × 7/72 × 7 = 630/504 - Add the two like fractions:
1176/504 + 630/504 = 1176 + 630/504 = 1806/504 - 1806/504 simplified gives 43/12
- So, 98/42 + 90/72 = 43/12
In mixed form: 37/12
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