Add 84/45 and 90/63
1st number: 1 39/45, 2nd number: 1 27/63
84/45 + 90/63 is 346/105.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 63 is 315
Next, find the equivalent fraction of both fractional numbers with denominator 315 - For the 1st fraction, since 45 × 7 = 315,
84/45 = 84 × 7/45 × 7 = 588/315 - Likewise, for the 2nd fraction, since 63 × 5 = 315,
90/63 = 90 × 5/63 × 5 = 450/315 - Add the two like fractions:
588/315 + 450/315 = 588 + 450/315 = 1038/315 - 1038/315 simplified gives 346/105
- So, 84/45 + 90/63 = 346/105
In mixed form: 331/105
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Related: 84/90+90/63