Add 12/30 and 7/56
12/30 + 7/56 is 21/40.
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,
12/30 = 12 × 28/30 × 28 = 336/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
7/56 = 7 × 15/56 × 15 = 105/840 - Add the two like fractions:
336/840 + 105/840 = 336 + 105/840 = 441/840 - 441/840 simplified gives 21/40
- So, 12/30 + 7/56 = 21/40
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