Add 40/56 and 81/60
1st number: 40/56, 2nd number: 1 21/60
40/56 + 81/60 is 289/140.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 60 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
40/56 = 40 × 15/56 × 15 = 600/840 - Likewise, for the 2nd fraction, since 60 × 14 = 840,
81/60 = 81 × 14/60 × 14 = 1134/840 - Add the two like fractions:
600/840 + 1134/840 = 600 + 1134/840 = 1734/840 - 1734/840 simplified gives 289/140
- So, 40/56 + 81/60 = 289/140
In mixed form: 29/140
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