Add 84/30 and 42/56
1st number: 2 24/30, 2nd number: 42/56
84/30 + 42/56 is 71/20.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 30 and 56 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 30 × 28 = 840,
84/30 = 84 × 28/30 × 28 = 2352/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
42/56 = 42 × 15/56 × 15 = 630/840 - Add the two like fractions:
2352/840 + 630/840 = 2352 + 630/840 = 2982/840 - 2982/840 simplified gives 71/20
- So, 84/30 + 42/56 = 71/20
In mixed form: 311/20
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