Add 42/49 and 18/8
1st number: 42/49, 2nd number: 2 2/8
42/49 + 18/8 is 87/28.
Steps for adding fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 49 and 8 is 392
Next, find the equivalent fraction of both fractional numbers with denominator 392 - For the 1st fraction, since 49 × 8 = 392,
42/49 = 42 × 8/49 × 8 = 336/392 - Likewise, for the 2nd fraction, since 8 × 49 = 392,
18/8 = 18 × 49/8 × 49 = 882/392 - Add the two like fractions:
336/392 + 882/392 = 336 + 882/392 = 1218/392 - 1218/392 simplified gives 87/28
- So, 42/49 + 18/8 = 87/28
In mixed form: 33/28
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 84/49+18/8 42/49+36/8 42/98+18/8 42/49+18/16 42/49+54/8 42/49+18/24 42/49+90/8 42/49+18/40 42/49+18/56