Add 84/30 and 90/56
1st number: 2 24/30, 2nd number: 1 34/56
84/30 + 90/56 is 617/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
84/30 = 84 × 28/30 × 28 = 2352/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
90/56 = 90 × 15/56 × 15 = 1350/840 - Add the two like fractions:
2352/840 + 1350/840 = 2352 + 1350/840 = 3702/840 - 3702/840 simplified gives 617/140
- So, 84/30 + 90/56 = 617/140
In mixed form: 457/140
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