Add 72/63 and 4/90
1st number: 1 9/63, 2nd number: 4/90
72/63 + 4/90 is 374/315.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 63 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 63 × 10 = 630,
72/63 = 72 × 10/63 × 10 = 720/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
4/90 = 4 × 7/90 × 7 = 28/630 - Add the two like fractions:
720/630 + 28/630 = 720 + 28/630 = 748/630 - 748/630 simplified gives 374/315
- So, 72/63 + 4/90 = 374/315
In mixed form: 159/315
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