Add 9/45 and 90/84
1st number: 9/45, 2nd number: 1 6/84
9/45 + 90/84 is 89/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 45 × 28 = 1260,
9/45 = 9 × 28/45 × 28 = 252/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
90/84 = 90 × 15/84 × 15 = 1350/1260 - Add the two like fractions:
252/1260 + 1350/1260 = 252 + 1350/1260 = 1602/1260 - 1602/1260 simplified gives 89/70
- So, 9/45 + 90/84 = 89/70
In mixed form: 119/70
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