Add 54/56 and 4/15
54/56 + 4/15 is 517/420.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 15 is 840
Next, find the equivalent fraction of both fractional numbers with denominator 840 - For the 1st fraction, since 56 × 15 = 840,
54/56 = 54 × 15/56 × 15 = 810/840 - Likewise, for the 2nd fraction, since 15 × 56 = 840,
4/15 = 4 × 56/15 × 56 = 224/840 - Add the two like fractions:
810/840 + 224/840 = 810 + 224/840 = 1034/840 - 1034/840 simplified gives 517/420
- So, 54/56 + 4/15 = 517/420
In mixed form: 197/420
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