Add 72/56 and 7/90
1st number: 1 16/56, 2nd number: 7/90
72/56 + 7/90 is 859/630.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 56 and 90 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 56 × 45 = 2520,
72/56 = 72 × 45/56 × 45 = 3240/2520 - Likewise, for the 2nd fraction, since 90 × 28 = 2520,
7/90 = 7 × 28/90 × 28 = 196/2520 - Add the two like fractions:
3240/2520 + 196/2520 = 3240 + 196/2520 = 3436/2520 - 3436/2520 simplified gives 859/630
- So, 72/56 + 7/90 = 859/630
In mixed form: 1229/630
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