Add 54/40 and 7/84
1st number: 1 14/40, 2nd number: 7/84
54/40 + 7/84 is 43/30.
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,
7/84 = 7 × 10/84 × 10 = 70/840 - Add the two like fractions:
1134/840 + 70/840 = 1134 + 70/840 = 1204/840 - 1204/840 simplified gives 43/30
- So, 54/40 + 7/84 = 43/30
In mixed form: 113/30
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