Add 72/40 and 10/90
1st number: 1 32/40, 2nd number: 10/90
72/40 + 10/90 is 86/45.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 40 and 90 is 360
Next, find the equivalent fraction of both fractional numbers with denominator 360 - For the 1st fraction, since 40 × 9 = 360,
72/40 = 72 × 9/40 × 9 = 648/360 - Likewise, for the 2nd fraction, since 90 × 4 = 360,
10/90 = 10 × 4/90 × 4 = 40/360 - Add the two like fractions:
648/360 + 40/360 = 648 + 40/360 = 688/360 - 688/360 simplified gives 86/45
- So, 72/40 + 10/90 = 86/45
In mixed form: 141/45
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