Add 72/90 and 90/35
1st number: 72/90, 2nd number: 2 20/35
72/90 + 90/35 is 118/35.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 35 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 35 × 18 = 630,
90/35 = 90 × 18/35 × 18 = 1620/630 - Add the two like fractions:
504/630 + 1620/630 = 504 + 1620/630 = 2124/630 - 2124/630 simplified gives 118/35
- So, 72/90 + 90/35 = 118/35
In mixed form: 313/35
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