Add 15/30 and 45/56
15/30 + 45/56 is 73/56.
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,
15/30 = 15 × 28/30 × 28 = 420/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
45/56 = 45 × 15/56 × 15 = 675/840 - Add the two like fractions:
420/840 + 675/840 = 420 + 675/840 = 1095/840 - 1095/840 simplified gives 73/56
- So, 15/30 + 45/56 = 73/56
In mixed form: 117/56
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