Add 70/45 and 90/16
1st number: 1 25/45, 2nd number: 5 10/16
70/45 + 90/16 is 517/72.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 45 and 16 is 720
Next, find the equivalent fraction of both fractional numbers with denominator 720 - For the 1st fraction, since 45 × 16 = 720,
70/45 = 70 × 16/45 × 16 = 1120/720 - Likewise, for the 2nd fraction, since 16 × 45 = 720,
90/16 = 90 × 45/16 × 45 = 4050/720 - Add the two like fractions:
1120/720 + 4050/720 = 1120 + 4050/720 = 5170/720 - 5170/720 simplified gives 517/72
- So, 70/45 + 90/16 = 517/72
In mixed form: 713/72
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