Add 3/30 and 42/56
3/30 + 42/56 is 17/20.
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,
3/30 = 3 × 28/30 × 28 = 84/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
42/56 = 42 × 15/56 × 15 = 630/840 - Add the two like fractions:
84/840 + 630/840 = 84 + 630/840 = 714/840 - 714/840 simplified gives 17/20
- So, 3/30 + 42/56 = 17/20
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