Add 10/16 and 72/90
10/16 + 72/90 is 57/40.
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,
10/16 = 10 × 45/16 × 45 = 450/720 - Likewise, for the 2nd fraction, since 90 × 8 = 720,
72/90 = 72 × 8/90 × 8 = 576/720 - Add the two like fractions:
450/720 + 576/720 = 450 + 576/720 = 1026/720 - 1026/720 simplified gives 57/40
- So, 10/16 + 72/90 = 57/40
In mixed form: 117/40
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