Add 72/90 and 96/42
1st number: 72/90, 2nd number: 2 12/42
72/90 + 96/42 is 108/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 42 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 90 × 7 = 630,
72/90 = 72 × 7/90 × 7 = 504/630 - Likewise, for the 2nd fraction, since 42 × 15 = 630,
96/42 = 96 × 15/42 × 15 = 1440/630 - Add the two like fractions:
504/630 + 1440/630 = 504 + 1440/630 = 1944/630 - 1944/630 simplified gives 108/35
- So, 72/90 + 96/42 = 108/35
In mixed form: 33/35
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