Add 18/15 and 90/56
1st number: 1 3/15, 2nd number: 1 34/56
18/15 + 90/56 is 393/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 15 × 56 = 840,
18/15 = 18 × 56/15 × 56 = 1008/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
90/56 = 90 × 15/56 × 15 = 1350/840 - Add the two like fractions:
1008/840 + 1350/840 = 1008 + 1350/840 = 2358/840 - 2358/840 simplified gives 393/140
- So, 18/15 + 90/56 = 393/140
In mixed form: 2113/140
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