Add 45/30 and 72/56
1st number: 1 15/30, 2nd number: 1 16/56
45/30 + 72/56 is 39/14.
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,
45/30 = 45 × 28/30 × 28 = 1260/840 - Likewise, for the 2nd fraction, since 56 × 15 = 840,
72/56 = 72 × 15/56 × 15 = 1080/840 - Add the two like fractions:
1260/840 + 1080/840 = 1260 + 1080/840 = 2340/840 - 2340/840 simplified gives 39/14
- So, 45/30 + 72/56 = 39/14
In mixed form: 211/14
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