Add 72/90 and 90/16
1st number: 72/90, 2nd number: 5 10/16
72/90 + 90/16 is 257/40.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 90 × 8 = 720,
72/90 = 72 × 8/90 × 8 = 576/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
90/16 = 90 × 45/16 × 45 = 4050/720 - Add the two like fractions:
576/720 + 4050/720 = 576 + 4050/720 = 4626/720 - 4626/720 simplified gives 257/40
- So, 72/90 + 90/16 = 257/40
In mixed form: 617/40
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