Add 7/56 and 81/30
1st number: 7/56, 2nd number: 2 21/30
7/56 + 81/30 is 113/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 30 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
7/56 = 7 × 15/56 × 15 = 105/840 - Likewise, for the 2nd fraction, since 30 × 28 = 840,
81/30 = 81 × 28/30 × 28 = 2268/840 - Add the two like fractions:
105/840 + 2268/840 = 105 + 2268/840 = 2373/840 - 2373/840 simplified gives 113/40
- So, 7/56 + 81/30 = 113/40
In mixed form: 233/40
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