Add 15/70 and 7/8
15/70 + 7/8 is 61/56.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 70 and 8 is 280
Next, find the equivalent fraction of both fractional numbers with denominator 280 - For the 1st fraction, since 70 × 4 = 280,
15/70 = 15 × 4/70 × 4 = 60/280 - Likewise, for the 2nd fraction, since 8 × 35 = 280,
7/8 = 7 × 35/8 × 35 = 245/280 - Add the two like fractions:
60/280 + 245/280 = 60 + 245/280 = 305/280 - 305/280 simplified gives 61/56
- So, 15/70 + 7/8 = 61/56
In mixed form: 15/56
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