Add 49/42 and 25/45
1st number: 1 7/42, 2nd number: 25/45
49/42 + 25/45 is 31/18.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 42 and 45 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 42 × 15 = 630,
49/42 = 49 × 15/42 × 15 = 735/630 - Likewise, for the 2nd fraction, since 45 × 14 = 630,
25/45 = 25 × 14/45 × 14 = 350/630 - Add the two like fractions:
735/630 + 350/630 = 735 + 350/630 = 1085/630 - 1085/630 simplified gives 31/18
- So, 49/42 + 25/45 = 31/18
In mixed form: 113/18
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 98/42+25/45 49/42+50/45 49/84+25/45 49/42+25/90 49/42+75/45