Add 42/7 and 1/90
1st number: 6 0/7, 2nd number: 1/90
42/7 + 1/90 is 541/90.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 7 and 90 is 630
Next, find the equivalent fraction of both fractional numbers with denominator 630 - For the 1st fraction, since 7 × 90 = 630,
42/7 = 42 × 90/7 × 90 = 3780/630 - Likewise, for the 2nd fraction, since 90 × 7 = 630,
1/90 = 1 × 7/90 × 7 = 7/630 - Add the two like fractions:
3780/630 + 7/630 = 3780 + 7/630 = 3787/630 - 3787/630 simplified gives 541/90
- So, 42/7 + 1/90 = 541/90
In mixed form: 61/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/7+1/90 42/7+2/90 42/14+1/90 42/7+3/90 42/21+1/90 42/7+5/90 42/35+1/90 42/7+7/90 42/49+1/90