Add 70/30 and 42/56
1st number: 2 10/30, 2nd number: 42/56
70/30 + 42/56 is 37/12.
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,
70/30 = 70 × 28/30 × 28 = 1960/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
42/56 = 42 × 15/56 × 15 = 630/840 - Add the two like fractions:
1960/840 + 630/840 = 1960 + 630/840 = 2590/840 - 2590/840 simplified gives 37/12
- So, 70/30 + 42/56 = 37/12
In mixed form: 31/12
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