Add 54/70 and 15/30
54/70 + 15/30 is 89/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 30 is 210
Next, find the equivalent fraction of both fractional numbers with denominator 210 - For the 1st fraction, since 70 × 3 = 210,
54/70 = 54 × 3/70 × 3 = 162/210 - Likewise, for the 2nd fraction, since 30 × 7 = 210,
15/30 = 15 × 7/30 × 7 = 105/210 - Add the two like fractions:
162/210 + 105/210 = 162 + 105/210 = 267/210 - 267/210 simplified gives 89/70
- So, 54/70 + 15/30 = 89/70
In mixed form: 119/70
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