Add 90/28 and 80/63
1st number: 3 6/28, 2nd number: 1 17/63
90/28 + 80/63 is 565/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 28 and 63 is 252
Next, find the equivalent fraction of both fractional numbers with denominator 252 - For the 1st fraction, since 28 × 9 = 252,
90/28 = 90 × 9/28 × 9 = 810/252 - Likewise, for the 2nd fraction, since 63 × 4 = 252,
80/63 = 80 × 4/63 × 4 = 320/252 - Add the two like fractions:
810/252 + 320/252 = 810 + 320/252 = 1130/252 - 1130/252 simplified gives 565/126
- So, 90/28 + 80/63 = 565/126
In mixed form: 461/126
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