Add 72/90 and 60/56
1st number: 72/90, 2nd number: 1 4/56
72/90 + 60/56 is 131/70.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 90 and 56 is 2520
Next, find the equivalent fraction of both fractional numbers with denominator 2520 - For the 1st fraction, since 90 × 28 = 2520,
72/90 = 72 × 28/90 × 28 = 2016/2520 - Likewise, for the 2nd fraction, since 56 × 45 = 2520,
60/56 = 60 × 45/56 × 45 = 2700/2520 - Add the two like fractions:
2016/2520 + 2700/2520 = 2016 + 2700/2520 = 4716/2520 - 4716/2520 simplified gives 131/70
- So, 72/90 + 60/56 = 131/70
In mixed form: 161/70
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