Add 70/90 and 90/84
1st number: 70/90, 2nd number: 1 6/84
70/90 + 90/84 is 233/126.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 84 is 1260
Next, find the equivalent fraction of both fractional numbers with denominator 1260 - For the 1st fraction, since 90 × 14 = 1260,
70/90 = 70 × 14/90 × 14 = 980/1260 - Likewise, for the 2nd fraction, since 84 × 15 = 1260,
90/84 = 90 × 15/84 × 15 = 1350/1260 - Add the two like fractions:
980/1260 + 1350/1260 = 980 + 1350/1260 = 2330/1260 - 2330/1260 simplified gives 233/126
- So, 70/90 + 90/84 = 233/126
In mixed form: 1107/126
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