Add 54/40 and 20/84
1st number: 1 14/40, 2nd number: 20/84
54/40 + 20/84 is 667/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 84 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 40 × 21 = 840,
54/40 = 54 × 21/40 × 21 = 1134/840 - Likewise, for the 2nd fraction, since 84 × 10 = 840,
20/84 = 20 × 10/84 × 10 = 200/840 - Add the two like fractions:
1134/840 + 200/840 = 1134 + 200/840 = 1334/840 - 1334/840 simplified gives 667/420
- So, 54/40 + 20/84 = 667/420
In mixed form: 1247/420
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