Add 15/16 and 70/90
15/16 + 70/90 is 247/144.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 16 and 90 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 16 × 45 = 720,
15/16 = 15 × 45/16 × 45 = 675/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
70/90 = 70 × 8/90 × 8 = 560/720 - Add the two like fractions:
675/720 + 560/720 = 675 + 560/720 = 1235/720 - 1235/720 simplified gives 247/144
- So, 15/16 + 70/90 = 247/144
In mixed form: 1103/144
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